/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/

var offsetfrommouse=[15,15]; //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
var displayduration=0; //duration in seconds image should remain visible. 0 for always.
var currentimageheight = 652;	// maximum image size.

/*
if (document.getElementById || document.all)
	document.write('<div id="trailimageid" style="position: absolute;" />');
*/

function gettrailobj(){
    if (document.getElementById)
        return document.getElementById("trailimageid").style;
    else if (document.all)
        return document.all.trailimagid.style;
}

function gettrailobjnostyle(){
    if (document.getElementById)
        return document.getElementById("trailimageid");
    else if (document.all)
        return document.all.trailimagid;
}

function truebody(){
    return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
}

function showtrail(imagename,title,description,showthumb,height,filetype){
	if (height > 0)	currentimageheight = height;

	document.onmousemove = followmouse;

	newHTML = '<div style="padding: 0px; background-color: #FFF; border: 1px solid #888;">';
	if (title != '') newHTML = newHTML + '<h2>' + title + '</h2>';
	if (description != '') newHTML = newHTML + description + '<br/>';

	if (showthumb > 0){
		newHTML = newHTML + '<div align="center" style="padding: 0px;">';
		if(filetype == 8) { // Video
			newHTML = newHTML +	'<object width="380" height="285" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0">';
			newHTML = newHTML + '<param name="movie" value="video_loupe.swf">';
			newHTML = newHTML + '<param name="quality" value="best">';
			newHTML = newHTML + '<param name="loop" value="true">';

			newHTML = newHTML + '<param name="FlashVars" value="videoLocation=' + imagename + '&bufferPercent=25">';
			newHTML = newHTML + '<EMBED SRC="video_loupe.swf" LOOP="true" QUALITY="best" FlashVars="videoLocation=' + imagename + '&bufferPercent=25" WIDTH="380" HEIGHT="285">';
			newHTML = newHTML + '</object></div>';
		} else {
			newHTML = newHTML + '<img src="' + imagename + '" border="0px" height="' + currentimageheight + 'px" /></div>';
		}
	}
	newHTML = newHTML + '</div>';
	gettrailobjnostyle().innerHTML = newHTML;
	gettrailobj().display = "inline";
}

function showtrailBatch(imagename,title,filetype){
	document.onmousemove = followmouseBatch;

	newHTML = '<div style="padding: 0px; background-color: #FFF; border: 1px solid #888;" id="trailInnerDiv">';
	if (title != '') newHTML = newHTML + '<h2>' + title + '</h2>';

	newHTML = newHTML + '<div align="center" style="padding: 8px 2px 2px 2px;">';
	if(filetype == 8) { // Video
		newHTML = newHTML +	'<object width="380" height="285" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0">';
		newHTML = newHTML + '<param name="movie" value="video_loupe.swf">';
		newHTML = newHTML + '<param name="quality" value="best">';
		newHTML = newHTML + '<param name="loop" value="true">';

		newHTML = newHTML + '<param name="FlashVars" value="videoLocation=' + imagename + '">';
		newHTML = newHTML + '<EMBED SRC="video_loupe.swf" LOOP="true" QUALITY="best" FlashVars="videoLocation=' + imagename + '" WIDTH="380" HEIGHT="285">';
		newHTML = newHTML + '</object></div>';
	} else {
		newHTML = newHTML + '<img src="' + imagename + '" border="0px"></div>';
	}

	newHTML = newHTML + '</div>';
	gettrailobjnostyle().innerHTML = newHTML;
	gettrailobj().display = "inline";
	gettrailobj().position = "absolute";
	currentimageheight = $('trailInnerDiv').offsetHeight;
	
}

function hidetrail(){
	gettrailobj().innerHTML = " ";
	gettrailobj().display = "none";
	document.onmousemove = "";
	gettrailobj().left = "-500px";
}

function followmouse(e){
	var xcoord = offsetfrommouse[0];
	var ycoord = offsetfrommouse[1];

	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15;
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight);

	if (typeof e != "undefined") {
		if (docwidth - e.pageX < 380) xcoord = e.pageX - xcoord - 400; else	xcoord += e.pageX;
		if (docheight - e.pageY < (currentimageheight + 110)) ycoord += e.pageY - Math.max(0,(110 + currentimageheight + e.pageY - docheight - truebody().scrollTop)); else ycoord += e.pageY;
	} else if (typeof window.event != "undefined") {
		if (docwidth - event.clientX < 380)	xcoord = event.clientX + truebody().scrollLeft - xcoord - 400; else	xcoord += truebody().scrollLeft+event.clientX;
		if (docheight - event.clientY < (currentimageheight + 110))	ycoord += event.clientY + truebody().scrollTop - Math.max(0,(110 + currentimageheight + event.clientY - docheight)); else ycoord += truebody().scrollTop + event.clientY;
	}
	if (ycoord < 0) ycoord = -ycoord;
	gettrailobj().left = xcoord + "px";
	gettrailobj().top = ycoord + "px";
}

function followmouseBatch(e){
	var xcoord=offsetfrommouse[0];
	var ycoord=offsetfrommouse[1];

	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15;
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight);

	var trailInnerDiv = $('trailInnerDiv');
	var currentimageheight = trailInnerDiv.offsetHeight;
	var currentimagewidth = trailInnerDiv.offsetWidth;

	scrollPos = Position.realOffset(truebody());
	
	if (typeof e != "undefined") {
		if (docwidth - e.pageX < 380) xcoord = e.pageX - xcoord - 400; else xcoord += e.pageX;
		if ((e.pageY - scrollPos[1]) + currentimageheight > docheight) ycoord = -ycoord + (e.pageY - currentimageheight); else ycoord += e.pageY;
	} else if (typeof window.event != "undefined") {
		if (event.clientX + currentimagewidth > docwidth) xcoord = -xcoord + ((event.clientX + scrollPos[0]) - currentimagewidth); else xcoord += (event.clientX + scrollPos[0]);
		if (event.clientY + currentimageheight > docheight) ycoord = -ycoord + ((event.clientY + scrollPos[1]) - currentimageheight); else ycoord += (event.clientY + scrollPos[1]);
	}

	if (ycoord < 0) ycoord = -ycoord;

	gettrailobj().left = xcoord + "px";
	gettrailobj().top = ycoord + "px";
}