// JavaScript Document

var offsetfrommouse = [15,15];

var displayduration = 0;

var currentimagewidth = 400;

if ( document.getElementById || document.all ) {
	document.write('<div id="trailimageid">');
	document.write('</div>');
}

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 showtrail(imagename,title,width,height) {
	document.onmousemove = followmouse;
	newHTML = '<div style="padding: 5px; background-color: #FFF; border: 1px solid #888;">';
	newHTML = newHTML + '<div align="center" style="padding: 2px 2px 2px 2px;"><img src="/images/'+imagename+'" border="0" width="'+parseInt(width)+'" height="'+parseInt(height)+'" class="border" /></div>';
	newHTML = newHTML + '</div>';
	gettrailobjnostyle().innerHTML = newHTML;
	gettrailobj().visibility="visible";
}

function hidetrail(){
	gettrailobj().visibility="hidden"
	document.onmousemove=""
	gettrailobj().left="-500px"
}

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

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(document.body.offsetHeight, window.innerHeight)
	
	if (typeof e != "undefined"){
		if (docwidth - e.pageX < 300){
			xcoord = e.pageX - xcoord - 286; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < (currentimagewidth + 50)){
			ycoord += e.pageY - Math.max(0,(50 + currentimagewidth + e.pageY - docheight - truebody().scrollTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < 300){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - 286; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (currentimagewidth + 110)){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(110 + currentimagewidth + event.clientY - docheight));
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}

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

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

function expandDescription(text) {
	var divElement = document.getElementById('description')
	divElement.firstChild.nodeValue = text
	return true;
}

function MM_swapImgRestore() { //v3.0
	var i,x,a=document.MM_sr;
	for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
	var d=document;
	if(d.images) {
		if(!d.MM_p) d.MM_p=new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
		for(i=0; i<a.length; i++)
		if (a[i].indexOf("#")!=0){
			d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];
		}
	}
}

function MM_findObj(n, d) { //v4.01
	var p,i,x;
	if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
	}
	if(!(x=d[n])&&d.all) x=d.all[n];
	for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	if(!x && d.getElementById) x=d.getElementById(n);
	return x;
}

function MM_swapImage() { //v3.0
	var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array;
	for(i=0;i<(a.length-2);i+=3)
	if ((x=MM_findObj(a[i]))!=null){
		document.MM_sr[j++]=x;
		if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];
	}
}
