// All these Javascripts are property of atlantdesigns.com
// Author: Thaneshshan Suntharalingam
// Date: November 3, 2004
// Removing the above copyright is illegal.

var playState = "playing";
var slideShowTimer = 0;
var slideShowCounter = -1;
var blendDuration = 2;
var desiredWidth = 375;
var desiredHeight = 275;

var holderWidth = 377;
var holderHeight = 277;

var isWindowsIE = false;

var emailList = "";

if(navigator.userAgent.indexOf("MSIE") != -1 && navigator.userAgent.indexOf("Win") != -1 && navigator.userAgent.indexOf("Opera") == -1)
{
	if(document.all)
	{
		isWindowsIE = true;
    }
}

function appendToEmail( listing )
{

   var temp = new Array();
   temp = emailList.split(',');
   var tempStr = '';
   var doNotAdd = false;
   for (var i = 0; i < temp.length; i++)
   {
		if( temp[i] == listing.name ) {
			doNotAdd = true;
		} else if ( temp[i] != '' ) {
			tempStr = tempStr + temp[i] + ",";
		}
   }
   if( !doNotAdd )
	emailList = tempStr + listing.name + ",";
   else
	emailList = tempStr;
}

function sendEmail()
{
  if( document.forms['email_listing_form'].email_address.value == '' ) {
	alert("Please Enter an email address");
	return false;
  }
  document.forms['email_listing_form'].action.value = 'email_listings'; 
  document.forms['email_listing_form'].emailList.value = emailList;
  document.forms['email_listing_form'].submit();
  return true;
}

function popUp(URL, name, width, height ,scroll)
{
    if (scroll == "yes")
    {
    	scrollvalue = 1;
    }
    else
    {
    	scrollvalue = 0;
    }

    popid = window.open(URL, name, 'toolbars=0, scrollbars=' + scrollvalue + ', location=0, statusbars=0, menubars=0, resizable=0, width='+ width +', height='+ height +', left = 250, top = 200');
    popid.focus();
}

function confirmDelete(id)
{
    if (confirm("Are you sure you want to Delete"))
    {
        if (this.document.edit && this.document.edit.pic_id)
            this.document.edit.pic_id.value = id;
        return true;
    }
    else
    {
        return false;
    }
}

function save_comment(id)
{
    //if (confirm("Are you sure you want to Delete"))
    //{
        if (this.document.edit && this.document.edit.pic_id)
            this.document.edit.pic_id.value = id;
        return true;
    //}
    //else
    //{
    //    return false;
    //}
}

function load_location(country, province, city, area)
{
    //alert(locations[province][2]);
    fill_location('COUNTRY', 0, country);
    fill_location('PROVINCE', country, province);
    fill_location('CITY', province, city);
    fill_location('AREA', city, area);
}

function load_comment(comment)
{
    if (comment == '')
    {
        document.edit.pic_comment.value = 'No Comment';
    }
    else
    {
        document.edit.pic_comment.value = comment;
    }
    document.edit.upload.value = 'Save Comment';
    //alert(comment);
}

function goURL(url)
{
    location = url;
}

function isInteger(aFieldValue)
{
    var fieldValueString = aFieldValue + "";
    if (fieldValueString == "") return false;
        for (var i = 0; i < fieldValueString.length; i++)
        {
            if (fieldValueString.charAt(i) < "0" || fieldValueString.charAt(i) > "9")
            {
                return false;
            }
        }
    return true;
}

// Credits: Atlant Designs
// Author: Thanesh .S
function fill_location(type, id, select)
{
    if (document.edit)
    {
        //alert(locations.length);
        var cList = document.edit.list_country;
        var pList = document.edit.list_province;
        var tList = document.edit.list_city;
        var aList = document.edit.list_area;

        if (type == 'PROVINCE')
        {
            //alert (pList.length);

            // Clear the drop list that already exist, so that new values could be loaded.

            while (pList.length > 1)
            {
                 pList[pList.length - 1] = null;
            }
            while (tList.length > 1)
            {
                 tList[tList.length - 1] = null;
            }
            while (aList.length > 1)
            {
                 aList[aList.length - 1] = null;
            }
        }
        else if (type == 'CITY')
        {
            // Clear the drop list that already exist, so that new values could be loaded.
            while (tList.length > 1)
            {
                 tList[tList.length - 1] = null;
            }
            while (aList.length > 1)
            {
                 aList[aList.length - 1] = null;
            }
        }
        else if (type == 'AREA')
        {
            // Clear the drop list that already exist, so that new values could be loaded.
            while (aList.length > 1)
            {
                 aList[aList.length - 1] = null;
            }
        }

        var index = 1;
        var id_array;

        if (document.edit.location_admin)
        {
             document.edit.location_name.className='highlight_back';

             if (document.edit.list_country.value == '')
             {
                  document.edit.loc_add_button.value = 'ADD COUNTRY';
                  document.edit.location_root.value = 0;
                  document.edit.location_type.value = 'COUNTRY';
                  document.edit.list_country.className='highlight_back';
                  document.edit.list_province.className='normal_back';
                  document.edit.list_city.className='normal_back';
                  document.edit.list_area.className='normal_back';
             }
             else if (document.edit.list_province.value == '')
             {
                  document.edit.loc_add_button.value = 'ADD '+lang_province;
                  document.edit.location_root.value = document.edit.list_country.value;
                  document.edit.location_type.value = 'PROVINCE';
                  document.edit.list_country.className='normal_back';
                  document.edit.list_province.className='highlight_back';
                  document.edit.list_city.className='normal_back';
                  document.edit.list_area.className='normal_back';
             }
             else if (document.edit.list_city.value == '')
             {
                  document.edit.loc_add_button.value = 'ADD CITY';
                  document.edit.location_root.value = document.edit.list_province.value;
                  document.edit.location_type.value = 'CITY';
                  document.edit.list_country.className='normal_back';
                  document.edit.list_province.className='normal_back';
                  document.edit.list_city.className='highlight_back';
                  document.edit.list_area.className='normal_back';
             }
             else if (document.edit.list_area.value == '')
             {
                  document.edit.loc_add_button.value = 'ADD AREA';
                  document.edit.location_root.value = document.edit.list_city.value;
                  document.edit.location_type.value = 'AREA';
                  document.edit.list_country.className='normal_back';
                  document.edit.list_province.className='normal_back';
                  document.edit.list_city.className='normal_back';
                  document.edit.list_area.className='highlight_back';
             }
        }

        for (i = 0; i < locations.length; i++)
        {
            if (id && !isInteger(id))
            {
                id_array = id.split(':');
                id = id_array[0];
            }

            if (type == 'COUNTRY' && locations[i] && locations[i][1] == 0)
            {
                if (document.edit.location_admin)
                    document.edit.loc_add_button.value = 'ADD COUNTRY';

                cList[index] = new Option();
                cList[index].value = locations[i][0]+':'+locations[i][3];
                cList[index].text  = locations[i][3];

                if (select == locations[i][0])
                {
                    cList[index].selected = true;
                }
                index++;
            }
            else if (type == 'PROVINCE' && locations[i][1] != 0 && locations[i][1] == id)
            {
                document.edit.list_province.className='highlight_back';
                document.edit.list_city.className='normal_back';
                document.edit.list_area.className='normal_back';
                if (document.edit.location_admin)
                    document.edit.loc_add_button.value = 'ADD '+lang_province;

                pList[index] = new Option();
                pList[index].value = locations[i][0]+':'+locations[i][3];
                pList[index].text  = locations[i][3];

                if (select == locations[i][0])
                {
                    pList[index].selected = true;
                }

                index++;
            }
            else if (type == 'CITY' && locations[i][1] != 0 && locations[i][1] == id)
            {
                document.edit.list_province.className='normal_back';
                document.edit.list_city.className='highlight_back';
                document.edit.list_area.className='normal_back';
                if (document.edit.location_admin)
                    document.edit.loc_add_button.value = 'ADD CITY';

                tList[index] = new Option();
                tList[index].value = locations[i][0]+':'+locations[i][3]+':'+i;
                tList[index].text  = locations[i][3];
                if (select == locations[i][0])
                {
                    tList[index].selected = true;
                }
                index++;
            }
            else if (type == 'AREA' && locations[i][1] != 0 && locations[i][1] == id)
            {
                document.edit.list_province.className='normal_back';
                document.edit.list_city.className='normal_back';
                document.edit.list_area.className='normal_back';
                if (document.edit.location_admin)
                    document.edit.loc_add_button.value = 'ADD AREA';

                aList[index] = new Option();
                aList[index].value = locations[i][0]+':'+locations[i][3];
                aList[index].text  = locations[i][3];
                if (select == locations[i][0])
                {
                    aList[index].selected = true;
                }
                index++;
            }
        }
    }
}

function removeField(list)
{
    if (list.selectedIndex >= 0)
    {
        list[list.selectedIndex] = null;
    }
    else
    {
        alert("You haven't selected any options to remove");
    }
}

function changeMoreField()
{
    var field = document.edit.addfield_list;
    var fieldArray;

    for (var w = 0; w < field.length; w++)
    {
        if (field[w].selected)
        {
             fieldArray = field[w].value.split('|');

             field[w].value = fieldArray[0] + '|' +
                              fieldArray[1] + '|' +
                              fieldArray[2] + '|' +
                              fieldArray[3] + '|' +
                              document.edit.add_language.value;
             field[w].text = document.edit.add_language.value;
             alert("Item "+fieldArray[0]+": Changed Successfuly");
        }
    }
}

function buffListValues()
{
    var tempList = '';

    var mList = document.edit.room_details_list;
    tempList = '';

    for (var i=0; i < mList.length; i++)
    {
        mList.options[i].value = mList.options[i].value.replace(/"/gi, "''");
        mList.options[i].value = mList.options[i].value.replace(/,/gi, "");
        mList.options[i].value = mList.options[i].value.replace(/|/gi, "");

        if (tempList == '')
        {
            tempList =  '"' + mList.options[i].value + '"';
        }
        else
        {
            tempList = tempList + ',"' + mList.options[i].value + '"';
        }
    }

    document.edit.list_room_details.value = tempList;
}

function addMoreField()
{
    var field = document.edit.room_details_list;
    var index = field.length;

    tempValue =    document.edit.room_name.value + '|' +
                   document.edit.room_level.value + '|' +
                   document.edit.floor_type.value + '|' +
                   document.edit.room_dimensions.value;

    field[index] = new Option(tempValue);
    field[index].value = tempValue;

    field[index].text = document.edit.room_name.value;
    //alert("Item "+document.edit.room_name.value+": Added Successfuly");
}

function changeMoreField()
{
    var field = document.edit.room_details_list;
    var fieldArray;

    for (var w = 0; w < field.length; w++)
    {
        if (field[w].selected)
        {
            fieldArray = field[w].value.split('|');

            field[w].value = document.edit.room_name.value + '|' +
                             document.edit.room_level.value + '|' +
                             document.edit.floor_type.value + '|' +
                             document.edit.room_dimensions.value;

            field[w].text = document.edit.room_name.value;
            alert("Item "+fieldArray[0]+": Changed Successfuly");
        }
    }
}

function loadRoomDetails(fieldValue)
{
    var fieldArray = fieldValue.split('|');
    document.edit.room_name.value       = fieldArray[0];
    document.edit.room_level.value      = fieldArray[1];
    document.edit.floor_type.value      = fieldArray[2];
    document.edit.room_dimensions.value = fieldArray[3];
}

function fixAspectRatios()
{
	var currH, currW, oldAR;
	for (var i = 0; i < slideArray.length; i++)
    {
		currH = slideArray[i].image.height;
		currW = slideArray[i].image.width;
		oldAR = currW / currH;
		if (currH > currW)
        {
			//image is taller than it is wide
			slideArray[i].image.height = desiredHeight;
			slideArray[i].image.width = desiredHeight * oldAR;
			if (slideArray[i].image.width > desiredWidth)
            {
				slideArray[i].image.width = desiredWidth;
				slideArray[i].image.height = desiredWidth / oldAR;
			}
		}
        else
        {
			//image is wider than it is tall
			slideArray[i].image.width = desiredWidth;
			slideArray[i].image.height = desiredWidth / oldAR;
			if (slideArray[i].image.height > desiredHeight)
            {
				slideArray[i].image.height = desiredHeight;
				slideArray[i].image.width = desiredHeight * oldAR;
			}
		}
	}
}


function runSlideShow()
{
	slideShowCounter++;
	if (slideShowCounter > (slideArray.length-1))
		slideShowCounter=0;

	if(slideArray[slideShowCounter] && slideArray[slideShowCounter].image && slideArray[slideShowCounter].image.complete)
    {
		switchImage(null);
	}

	clearTimeout(slideShowTimer);
	slideShowTimer = setTimeout('runSlideShow()', slideShowSpeed);
}


function mouseEnterImage() {
	if (playState != "paused")
    {
		clearTimeout(slideShowTimer);
	}
}

function mouseLeaveImage()
{
	if (playState != "paused")
    {
		clearTimeout(slideShowTimer);
		slideShowTimer = setTimeout('runSlideShow()', 1);
    }
}


//pauses without
function pauseSlideShow(toggle)
{
	if (toggle == "start")
    {
		clearTimeout(slideShowTimer);
		slideShowTimer = setTimeout('runSlideShow()', 1);
		playState = "playing";
	}
    else
    {
		playState = "paused";
		clearTimeout(slideShowTimer);
	}

}

function toggleSlideShow(){
	if (playState == "paused")
    {
		document.getElementById("slideshowplay").src = "images/pause.gif";
		document.getElementById("slideshowplay").alt = "Pause Slide Show";
		playState = "playing";
		clearTimeout(slideShowTimer);
		slideShowTimer = setTimeout('runSlideShow()', 1);
	}
    else
    {
		document.getElementById("slideshowplay").src = "images/play.gif";
		document.getElementById("slideshowplay").alt = "Play Slide Show";
		playState = "paused";
		clearTimeout(slideShowTimer);
	}
}

function showBig(sB)
{
	switchImage(sB);
}

function clickThrough(cT) {
	clearTimeout(slideShowTimer);

	if (cT.name == "forward") {
		if (slideShowCounter >= (slideArray.length-1))
			slideShowCounter=0;
		else
			slideShowCounter++;
	}
	else if(cT.name == "back")
	{
		if (slideShowCounter == 0)
			slideShowCounter=slideArray.length-1;
		else
			slideShowCounter--;
	}
	switchImage(null);

	if (playState == "playing") {
		slideShowTimer = setTimeout('runSlideShow()', slideShowSpeed);
	}
}

function switchImage(directLink)
{
	var slideShow = document.getElementById("PropSlideShow");

	if(document.images.PropSlideShow.filters)
	{
		 document.images.PropSlideShow.style.filter="blendTrans(duration="+ blendDuration+")";
		 document.images.PropSlideShow.style.filter="blendTrans(duration=crossFadeDuration)";
		 document.images.PropSlideShow.filters.blendTrans.Apply();
	}

	if(directLink != null)
	{
		playState = "playing";
		toggleSlideShow();
		slideShowCounter = directLink;
	}

	if (!( document.images.PropSlideShow.style && document.images.PropSlideShow.style.MozOpacity == "")) {

		var slideShowLast = document.getElementById("SlideShowLast");
		slideShowLast.width = slideArray[slideShowCounter].image.width;
		slideShowLast.height = slideArray[slideShowCounter].image.height;
		slideShowLast.src = slideArray[slideShowCounter].image.src;
		slideShowLast.style.top = Math.round((holderHeight - slideShowLast.height) / 2);
		slideShowLast.style.left = Math.round((holderWidth - slideShowLast.width) / 2);

		slideShow.src = "images/clear.gif";
	}

	showSnipe();
	if(document.getElementById("photoCaption"))
		if (slideArray[slideShowCounter].url == "") {
			document.getElementById("photoCaption").innerHTML = slideArray[slideShowCounter].caption;
		} else {
			document.getElementById("photoCaption").innerHTML = slideArray[slideShowCounter].caption + "... <a href='" + slideArray[slideShowCounter].url + "'>More Details</a>";
		}
	if(document.getElementById("slideShowTitle"))
		document.getElementById("slideShowTitle").innerHTML = slideArray[slideShowCounter].title;

	if(document.images.PropSlideShow.filters)
	{
		document.images.PropSlideShow.filters.blendTrans.Play();

		mozDissTimer = setTimeout('finishIESlide()', blendDuration * 1000);
	} else if (document.images.PropSlideShow.style && document.images.PropSlideShow.style.MozOpacity == "") {
		startMozDissolve();
	}

	hideBigImage();

}

function finishIESlide()
{
	var slideShow = document.getElementById("PropSlideShow");
	var newSlideShow = document.getElementById("SlideShowLast");

	slideShow.width = newSlideShow.width;
	slideShow.height = newSlideShow.height;
	slideShow.src = newSlideShow.src;
	document.images.PropSlideShow.style.filter="";
	slideShow.style.top = Math.round((holderHeight - slideShow.height) / 2);
	slideShow.style.left = Math.round((holderWidth - slideShow.width) / 2);

}


var mozDissTimer, mozDissNumSteps;

function startMozDissolve()
{

	var slideShowLast = document.getElementById("SlideShowLast");
	slideShowLast.src = document.images.PropSlideShow.src;
	slideShowLast.width = document.images.PropSlideShow.width;
	slideShowLast.height = document.images.PropSlideShow.height;
	slideShowLast.style.top = Math.round((holderHeight - slideShowLast.height) / 2);
	slideShowLast.style.left = Math.round((holderWidth - slideShowLast.width) / 2);

	document.images.PropSlideShow.style.MozOpacity = "0";
	document.images.PropSlideShow.width = slideArray[slideShowCounter].image.width;
	document.images.PropSlideShow.height = slideArray[slideShowCounter].image.height;
	document.images.PropSlideShow.src = slideArray[slideShowCounter].image.src;
	document.images.PropSlideShow.style.top = Math.round((holderHeight - document.images.PropSlideShow.height) / 2);
	document.images.PropSlideShow.style.left = Math.round((holderWidth - document.images.PropSlideShow.width) / 2);


	mozDissNumSteps = 20; //this is the number of times to change the opacity during the dissolve
	timeStep = blendDuration * 1000 / mozDissNumSteps;
	mozDissTimer = setTimeout("mozDissolveStep("+ 1 +","+timeStep+")", timeStep);
}

function mozDissolveStep(currStepCt,timeStep)
{
	if (currStepCt == mozDissNumSteps)
    {
		slideShowLast = document.getElementById("SlideShowLast");
		slideShowLast.width = document.images.PropSlideShow.width;
		slideShowLast.height = document.images.PropSlideShow.height;
		slideShowLast.style.top = document.images.PropSlideShow.style.top;
		slideShowLast.style.left = document.images.PropSlideShow.style.left;
		slideShowLast.src = document.images.PropSlideShow.src;
		slideShowLast.width = document.images.PropSlideShow.width;
		slideShowLast.height = document.images.PropSlideShow.height;
		slideShowLast.style.top = document.images.PropSlideShow.style.top;
		slideShowLast.style.left = document.images.PropSlideShow.style.left;

		document.images.PropSlideShow.style.MozOpacity = null;
		mozDissTimer = null;
	}
    else
    {
		document.images.PropSlideShow.style.MozOpacity = "" + (currStepCt / mozDissNumSteps);
		mozDissTimer = setTimeout("mozDissolveStep("+ (currStepCt + 1) +","+timeStep+")", timeStep);
	}
}


function openDetailPage()
{
	if(slideArray[slideShowCounter].url)
		window.location = slideArray[slideShowCounter].url;
}

function onHover(eSrc)
{
	if(isWindowsIE)
		eSrc.style.cursor = "hand";
	else
		eSrc.style.cursor = "pointer";

	if(slideArray.length > 1)
	{
		pauseSlideShow("stop");
	}

}

function offHover(eSrc)
{
	if(slideArray.length > 1)
	{
		pauseSlideShow("start");
	}
}

function showSnipe()
{
	var photoSnipe = document.getElementById("photoSnipe");
	var photoBigImage = document.getElementById("photoBigButton")
	if(slideArray[slideShowCounter].snipe)
		photoSnipe.src = slideArray[slideShowCounter].snipe;
	else
		photoSnipe.src = "images/clear.gif";
	photoSnipe.style.left = 0;
	photoSnipe.style.right = null;

	if(document.getElementById("slideShowTitle"))
		photoSnipe.style.top = document.getElementById("slideShowTitle").offsetHeight + 2;

	if(slideArray[slideShowCounter].bigImage)
	{
		photoBigImage.src = "images/bigImageIcon.gif";
		photoBigImage.style.left = null;
		photoBigImage.style.right = 0;
		photoBigImage.style.top = null;
		photoBigImage.style.bottom = 0;

		if(document.getElementById("slideShowTitle"))
			photoBigImage.style.top = document.getElementById("slideShowTitle").offsetHeight + 2;
	}
	else
	{
		photoBigImage.src = "images/clear.gif";
	}
}


function showBigImage()
{
	var centerSlideShowX = 0;
	var centerSlideShowY = 0;

	var bigImageHolder = document.getElementById("bigImageHolder");
	var slideShow = document.getElementById("PropSlideShow");
	var slideShowHolder = document.getElementById("slideShowHolder");

	document.getElementById("bigImage").src = slideArray[slideShowCounter].bigImage;
	bigImageHolder.style.position = "absolute";

	document.getElementById("bigImage").onmouseover = function()
	{
		onHover(this);
	}
	document.getElementById("bigImage").onmouseout = function()
	{
		offHover(this);
		hideBigImage();
	}

	var centerSlideShowX = (slideShowHolder.offsetWidth) / 2;
	var centerSlideShowY = (slideShowHolder.offsetHeight) / 2;

	if(document.all)
	{
		var browseWidth = document.body.clientWidth;
		var browseHeight = document.body.clientHeight;
	}
	else
	{
		var browseWidth = window.outerWidth;
		var browseHeight = window.outerHeight;
	}
	var onBottom = Math.abs(browseHeight - (get_true_top(slideShowHolder) - ((slideShowHolder.offsetHeight) / 2)));
	var onTop = browseHeight - onBottom;

	var onRight = browseWidth - (get_true_left(slideShowHolder) - ((slideShowHolder.offsetWidth) / 2));
	var onLeft = browseWidth - onRight;

	document.getElementById("bigImage").onload = function()
	{
		if(document.all)
			bigImageHolder.style.display = "block";

		if(onTop > onBottom)
			bigImageHolder.style.top = centerSlideShowY - document.getElementById("bigImage").offsetHeight;
		else
			bigImageHolder.style.top = centerSlideShowY;

		if(onLeft > onRight)
			bigImageHolder.style.left = centerSlideShowX - document.getElementById("bigImage").offsetWidth;
		else
			bigImageHolder.style.left = centerSlideShowX;

		//bigImageHolder.style.border = "solid thin black";
		bigImageHolder.style.visibility = "visible";
		bigImageHolder.style.zIndex = 99;
	}
}

function hideBigImage()
{
	var bigImageHolder = document.getElementById("bigImageHolder");
	bigImageHolder.style.visibility = "hidden";
	bigImageHolder.style.top = null;
	bigImageHolder.style.left = null;
	if(document.all)
		bigImageHolder.style.display = "none";
}

function get_true_left(element)
{
	yPos = element.offsetLeft;
	tempEl = element.offsetParent;
	while (tempEl != null)
	{
		yPos += tempEl.offsetLeft;
		tempEl = tempEl.offsetParent;
	}
	return yPos;
}
function get_true_top(element)
{
	yPos = element.offsetTop;
	tempEl = element.offsetParent;
	while (tempEl != null)
	{
		yPos += tempEl.offsetTop;
		tempEl = tempEl.offsetParent;
	}
	return yPos;
}

var thumbView = 'right';

function beginDelayed()
{
	clearTimeout(slideShowTimer);
	slideShowTimer = setTimeout('runSlideShow()', 300);
}

function startSlidesProp()
{
	beginDelayed();
	fixAspectRatios();
}

  
  

/*==================================================*
 $Id: slideshow.js,v 1.16 2003/10/14 12:39:00 pat Exp $
 Copyright 2000-2003 Patrick Fitzgerald
 http://slideshow.barelyfitz.com/

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *==================================================*/

// There are two objects defined in this file:
// "slide" - contains all the information for a single slide
// "slideshow" - consists of multiple slide objects and runs the slideshow

//==================================================
// slide object
//==================================================
function slide(src,link,text,target,attr) {
  // This is the constructor function for the slide object.
  // It is called automatically when you create a new slide object.
  // For example:
  // s = new slide();

  // Image URL
  this.src = src;

  // Link URL
  this.link = link;

  // Text to display
  this.text = text;

  // Name of the target window ("_blank")
  this.target = target;

  // Custom duration for the slide, in milliseconds.
  // This is an optional parameter.
  // this.timeout = 3000

  // Attributes for the target window:
  // width=n,height=n,resizable=yes or no,scrollbars=yes or no,
  // toolbar=yes or no,location=yes or no,directories=yes or no,
  // status=yes or no,menubar=yes or no,copyhistory=yes or no
  // Example: "width=200,height=300"
  this.attr = attr;

  // Create an image object for the slide
  if (document.images) {
    this.image = new Image();
  }

  // Flag to tell when load() has already been called
  this.loaded = false;

  //--------------------------------------------------
  this.load = function() {
    // This method loads the image for the slide

    if (!document.images) { return; }

    if (!this.loaded) {
      this.image.src = this.src;
      this.loaded = true;
    }
  }

  //--------------------------------------------------
  this.hotlink = function() {
    // This method jumps to the slide's link.
    // If a window was specified for the slide, then it opens a new window.

    var mywindow;

    // If this slide does not have a link, do nothing
    if (!this.link) return;

    // Open the link in a separate window?
    if (this.target) {

      // If window attributes are specified,
      // use them to open the new window
      if (this.attr) {
        mywindow = window.open(this.link, this.target, this.attr);
  
      } else {
        // If window attributes are not specified, do not use them
        // (this will copy the attributes from the originating window)
        mywindow = window.open(this.link, this.target);
      }

      // Pop the window to the front
      if (mywindow && mywindow.focus) mywindow.focus();

    } else {
      // Open the link in the current window
      location.href = this.link;
    }
  }
}

//==================================================
// slideshow object
//==================================================
function slideshow( slideshowname ) {
  // This is the constructor function for the slideshow object.
  // It is called automatically when you create a new object.
  // For example:
  // ss = new slideshow("ss");

  // Name of this object
  // (required if you want your slideshow to auto-play)
  // For example, "SLIDES1"
  this.name = slideshowname;

  // When we reach the last slide, should we loop around to start the
  // slideshow again?
  this.repeat = true;

  // Number of images to pre-fetch.
  // -1 = preload all images.
  //  0 = load each image is it is used.
  //  n = pre-fetch n images ahead of the current image.
  // I recommend preloading all images unless you have large
  // images, or a large amount of images.
  this.prefetch = -1;

  // IMAGE element on your HTML page.
  // For example, document.images.SLIDES1IMG
  this.image;

  // ID of a DIV element on your HTML page that will contain the text.
  // For example, "slides2text"
  // Note: after you set this variable, you should call
  // the update() method to update the slideshow display.
  this.textid;

  // TEXTAREA element on your HTML page.
  // For example, document.SLIDES1FORM.SLIDES1TEXT
  // This is a depracated method for displaying the text,
  // but you might want to supply it for older browsers.
  this.textarea;

  // Milliseconds to pause between slides.
  // Individual slides can override this.
  this.timeout = 2000;

  // Hook functions to be called before and after updating the slide
  // this.pre_update_hook = function() { }
  // this.post_update_hook = function() { }

  // These are private variables
  this.slides = new Array();
  this.current = 0;
  this.timeoutid = 0;

  //--------------------------------------------------
  // Public methods
  //--------------------------------------------------
  this.add_slide = function(slide) {
    // Add a slide to the slideshow.
    // For example:
    // SLIDES1.add_slide(new slide("s1.jpg", "link.html"))
  
    var i = this.slides.length;
  
    // Prefetch the slide image if necessary
    if (this.prefetch == -1) {
      slide.load();
    }

    this.slides[i] = slide;
  }

  //--------------------------------------------------
  this.play = function(timeout) {
    // This method implements the automatically running slideshow.
    // If you specify the "timeout" argument, then a new default
    // timeout will be set for the slideshow.
  
    // Make sure we're not already playing
    this.pause();
  
    // If the timeout argument was specified (optional)
    // then make it the new default
    if (timeout) {
      this.timeout = timeout;
    }
  
    // If the current slide has a custom timeout, use it;
    // otherwise use the default timeout
    if (typeof this.slides[ this.current ].timeout != 'undefined') {
      timeout = this.slides[ this.current ].timeout;
    } else {
      timeout = this.timeout;
    }

    // After the timeout, call this.loop()
    this.timeoutid = setTimeout( this.name + ".loop()", timeout);
  }

  //--------------------------------------------------
  this.pause = function() {
    // This method stops the slideshow if it is automatically running.
  
    if (this.timeoutid != 0) {

      clearTimeout(this.timeoutid);
      this.timeoutid = 0;

    }
  }

  //--------------------------------------------------
  this.update = function() {
    // This method updates the slideshow image on the page

    // Make sure the slideshow has been initialized correctly
    if (! this.valid_image()) { return; }
  
    // Call the pre-update hook function if one was specified
    if (typeof this.pre_update_hook == 'function') {
      this.pre_update_hook();
    }

    // Convenience variable for the current slide
    var slide = this.slides[ this.current ];

    // Determine if the browser supports filters
    var dofilter = false;
    if (this.image &&
        typeof this.image.filters != 'undefined' &&
        typeof this.image.filters[0] != 'undefined') {

      dofilter = true;

    }

    // Load the slide image if necessary
    slide.load();
  
    // Apply the filters for the image transition
    if (dofilter) {

      // If the user has specified a custom filter for this slide,
      // then set it now
      if (slide.filter &&
          this.image.style &&
          this.image.style.filter) {

        this.image.style.filter = slide.filter;

      }
      this.image.filters[0].Apply();
    }

    // Update the image.
    this.image.src = slide.image.src;

    // Play the image transition filters
    if (dofilter) {
      this.image.filters[0].Play();
    }

    // Update the text
    this.display_text();

    // Call the post-update hook function if one was specified
    if (typeof this.post_update_hook == 'function') {
      this.post_update_hook();
    }

    // Do we need to pre-fetch images?
    if (this.prefetch > 0) {

      var next, prev, count;

      // Pre-fetch the next slide image(s)
      next = this.current;
      prev = this.current;
      count = 0;
      do {

        // Get the next and previous slide number
        // Loop past the ends of the slideshow if necessary
        if (++next >= this.slides.length) next = 0;
        if (--prev < 0) prev = this.slides.length - 1;

        // Preload the slide image
        this.slides[next].load();
        this.slides[prev].load();

        // Keep going until we have fetched
        // the designated number of slides

      } while (++count < this.prefetch);
    }
  }

  //--------------------------------------------------
  this.goto_slide = function(n) {
    // This method jumpts to the slide number you specify.
    // If you use slide number -1, then it jumps to the last slide.
    // You can use this to make links that go to a specific slide,
    // or to go to the beginning or end of the slideshow.
    // Examples:
    // onClick="myslides.goto_slide(0)"
    // onClick="myslides.goto_slide(-1)"
    // onClick="myslides.goto_slide(5)"
  
    if (n == -1) {
      n = this.slides.length - 1;
    }
  
    if (n < this.slides.length && n >= 0) {
      this.current = n;
    }
  
    this.update();
  }


  //--------------------------------------------------
  this.goto_random_slide = function(include_current) {
    // Picks a random slide (other than the current slide) and
    // displays it.
    // If the include_current parameter is true,
    // then 
    // See also: shuffle()

    var i;

    // Make sure there is more than one slide
    if (this.slides.length > 1) {

      // Generate a random slide number,
      // but make sure it is not the current slide
      do {
        i = Math.floor(Math.random()*this.slides.length);
      } while (i == this.current);
 
      // Display the slide
      this.goto_slide(i);
    }
  }


  //--------------------------------------------------
  this.next = function() {
    // This method advances to the next slide.

    // Increment the image number
    if (this.current < this.slides.length - 1) {
      this.current++;
    } else if (this.repeat) {
      this.current = 0;
    }

    this.update();
  }


  //--------------------------------------------------
  this.previous = function() {
    // This method goes to the previous slide.
  
    // Decrement the image number
    if (this.current > 0) {
      this.current--;
    } else if (this.repeat) {
      this.current = this.slides.length - 1;
    }
  
    this.update();
  }


  //--------------------------------------------------
  this.shuffle = function() {
    // This method randomly shuffles the order of the slides.

    var i, i2, slides_copy, slides_randomized;

    // Create a copy of the array containing the slides
    // in sequential order
    slides_copy = new Array();
    for (i = 0; i < this.slides.length; i++) {
      slides_copy[i] = this.slides[i];
    }

    // Create a new array to contain the slides in random order
    slides_randomized = new Array();

    // To populate the new array of slides in random order,
    // loop through the existing slides, picking a random
    // slide, removing it from the ordered list and adding it to
    // the random list.

    do {

      // Pick a random slide from those that remain
      i = Math.floor(Math.random()*slides_copy.length);

      // Add the slide to the end of the randomized array
      slides_randomized[ slides_randomized.length ] =
        slides_copy[i];

      // Remove the slide from the sequential array,
      // so it cannot be chosen again
      for (i2 = i + 1; i2 < slides_copy.length; i2++) {
        slides_copy[i2 - 1] = slides_copy[i2];
      }
      slides_copy.length--;

      // Keep going until we have removed all the slides

    } while (slides_copy.length);

    // Now set the slides to the randomized array
    this.slides = slides_randomized;
  }


  //--------------------------------------------------
  this.get_text = function() {
    // This method returns the text of the current slide
  
    return(this.slides[ this.current ].text);
  }


  //--------------------------------------------------
  this.get_all_text = function(before_slide, after_slide) {
    // Return the text for all of the slides.
    // For the text of each slide, add "before_slide" in front of the
    // text, and "after_slide" after the text.
    // For example:
    // document.write("<ul>");
    // document.write(s.get_all_text("<li>","\n"));
    // document.write("<\/ul>");
  
    all_text = "";
  
    // Loop through all the slides in the slideshow
    for (i=0; i < this.slides.length; i++) {
  
      slide = this.slides[i];
    
      if (slide.text) {
        all_text += before_slide + slide.text + after_slide;
      }
  
    }
  
    return(all_text);
  }


  //--------------------------------------------------
  this.display_text = function(text) {
    // Display the text for the current slide
  
    // If the "text" arg was not supplied (usually it isn't),
    // get the text from the slideshow
    if (!text) {
      text = this.slides[ this.current ].text;
    }
  
    // If a textarea has been specified,
    // then change the text displayed in it
    if (this.textarea && typeof this.textarea.value != 'undefined') {
      this.textarea.value = text;
    }

    // If a text id has been specified,
    // then change the contents of the HTML element
    if (this.textid) {

      r = this.getElementById(this.textid);
      if (!r) { return false; }
      if (typeof r.innerHTML == 'undefined') { return false; }

      // Update the text
      r.innerHTML = text;
    }
  }


  //--------------------------------------------------
  this.hotlink = function() {
    // This method calls the hotlink() method for the current slide.
  
    this.slides[ this.current ].hotlink();
  }


  //--------------------------------------------------
  this.save_position = function(cookiename) {
    // Saves the position of the slideshow in a cookie,
    // so when you return to this page, the position in the slideshow
    // won't be lost.
  
    if (!cookiename) {
      cookiename = this.name + '_slideshow';
    }
  
    document.cookie = cookiename + '=' + this.current;
  }


  //--------------------------------------------------
  this.restore_position = function(cookiename) {
  // If you previously called slideshow_save_position(),
  // returns the slideshow to the previous state.
  
    //Get cookie code by Shelley Powers
  
    if (!cookiename) {
      cookiename = this.name + '_slideshow';
    }
  
    var search = cookiename + "=";
  
    if (document.cookie.length > 0) {
      offset = document.cookie.indexOf(search);
      // if cookie exists
      if (offset != -1) { 
        offset += search.length;
        // set index of beginning of value
        end = document.cookie.indexOf(";", offset);
        // set index of end of cookie value
        if (end == -1) end = document.cookie.length;
        this.current = parseInt(unescape(document.cookie.substring(offset, end)));
        }
     }
  }


  //--------------------------------------------------
  this.noscript = function() {
    // This method is not for use as part of your slideshow,
    // but you can call it to get a plain HTML version of the slideshow
    // images and text.
    // You should copy the HTML and put it within a NOSCRIPT element, to
    // give non-javascript browsers access to your slideshow information.
    // This also ensures that your slideshow text and images are indexed
    // by search engines.
  
    $html = "\n";
  
    // Loop through all the slides in the slideshow
    for (i=0; i < this.slides.length; i++) {
  
      slide = this.slides[i];
  
      $html += '<P>';
  
      if (slide.link) {
        $html += '<a href="' + slide.link + '">';
      }
  
      $html += '<img src="' + slide.src + '" ALT="slideshow image">';
  
      if (slide.link) {
        $html += "<\/a>";
      }
  
      if (slide.text) {
        $html += "<BR>\n" + slide.text;
      }
  
      $html += "<\/P>" + "\n\n";
    }
  
    // Make the HTML browser-safe
    $html = $html.replace(/\&/g, "&amp;" );
    $html = $html.replace(/</g, "&lt;" );
    $html = $html.replace(/>/g, "&gt;" );
  
    return('<pre>' + $html + '</pre>');
  }


  //==================================================
  // Private methods
  //==================================================

  //--------------------------------------------------
  this.loop = function() {
    // This method is for internal use only.
    // This method gets called automatically by a JavaScript timeout.
    // It advances to the next slide, then sets the next timeout.
    // If the next slide image has not completed loading yet,
    // then do not advance to the next slide yet.

    // Make sure the next slide image has finished loading
    if (this.current < this.slides.length - 1) {
      next_slide = this.slides[this.current + 1];
      if (next_slide.image.complete == null || next_slide.image.complete) {
        this.next();
      }
    } else { // we're at the last slide
      this.next();
    }
    
    // Keep playing the slideshow
    this.play( );
  }


  //--------------------------------------------------
  this.valid_image = function() {
    // Returns 1 if a valid image has been set for the slideshow
  
    if (!this.image)
    {
      return false;
    }
    else {
      return true;
    }
  }

  //--------------------------------------------------
  this.getElementById = function(element_id) {
    // This method returns the element corresponding to the id

    if (document.getElementById) {
      return document.getElementById(element_id);
    }
    else if (document.all) {
      return document.all[element_id];
    }
    else if (document.layers) {
      return document.layers[element_id];
    } else {
      return undefined;
    }
  }
  

  //==================================================
  // Deprecated methods
  // I don't recommend the use of the following methods,
  // but they are included for backward compatibility.
  // You can delete them if you don't need them.
  //==================================================

  //--------------------------------------------------
  this.set_image = function(imageobject) {
    // This method is deprecated; you should use
    // the following code instead:
    // s.image = document.images.myimagename;
    // s.update();

    if (!document.images)
      return;
    this.image = imageobject;
  }

  //--------------------------------------------------
  this.set_textarea = function(textareaobject) {
    // This method is deprecated; you should use
    // the following code instead:
    // s.textarea = document.form.textareaname;
    // s.update();

    this.textarea = textareaobject;
    this.display_text();
  }

  //--------------------------------------------------
  this.set_textid = function(textidstr) {
    // This method is deprecated; you should use
    // the following code instead:
    // s.textid = "mytextid";
    // s.update();

    this.textid = textidstr;
    this.display_text();
  }
}



SLIDES = new slideshow("SLIDES");
SLIDES.timeout = 3000;
SLIDES.prefetch = -1;
SLIDES.repeat = true;

s = new slide();
s.src =  "http://www.propertytoursfrance.com/images/photos/image2.JPG";
s.text = unescape("");
s.link = "";
s.target = "";
s.attr = "";
s.filter = "";
SLIDES.add_slide(s);

s = new slide();
s.src =  "http://www.propertytoursfrance.com/images/photos/collioure.JPG";
s.text = unescape("");
s.link = "";
s.target = "";
s.attr = "";
s.filter = "";
SLIDES.add_slide(s);

s = new slide();
s.src =  "http://www.propertytoursfrance.com/images/photos/vineyard.JPG";
s.text = unescape("");
s.link = "";
s.target = "";
s.attr = "";
s.filter = "";
SLIDES.add_slide(s);

s = new slide();
s.src =  "http://www.propertytoursfrance.com/images/photos/bridge.JPG";
s.text = unescape("");
s.link = "";
s.target = "";
s.attr = "";
s.filter = "";
SLIDES.add_slide(s);

s = new slide();
s.src =  "http://www.propertytoursfrance.com/images/photos/canigou.JPG";
s.text = unescape("");
s.link = "";
s.target = "";
s.attr = "";
s.filter = "";
SLIDES.add_slide(s);

s = new slide();
s.src =  "http://www.propertytoursfrance.com/images/photos/mountains.JPG";
s.text = unescape("");
s.link = "";
s.target = "";
s.attr = "";
s.filter = "";
SLIDES.add_slide(s);

s = new slide();
s.src =  "http://www.propertytoursfrance.com/images/photos/carcassonne2.jpg";
s.text = unescape("");
s.link = "";
s.target = "";
s.attr = "";
s.filter = "";
SLIDES.add_slide(s);


s = new slide();
s.src =  "http://www.propertytoursfrance.com/images/photos/pontdugard.jpg";
s.text = unescape("");
s.link = "";
s.target = "";
s.attr = "";
s.filter = "";
SLIDES.add_slide(s);

s = new slide();
s.src =  "http://www.propertytoursfrance.com/images/photos/narbonne.JPG";
s.text = unescape("");
s.link = "";
s.target = "";
s.attr = "";
s.filter = "";
SLIDES.add_slide(s);



if (false) SLIDES.shuffle();

