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 = 270;	// maximum image size.

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

function gettrailobj(){
	if (document.getElementById)
		return document.getElementById("trailimageid").style
	else if (document.all)
		return document.all.trailimagid.style
}
function getDescriptionObj(){
	if (document.getElementById)
		return document.getElementById("promoteDescription")
	else if (document.all)
		return document.all.promoteDescription
}
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 followmouseDescription(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; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < (currentpromoteheight + 110)){
			ycoord += e.pageY - Math.max(0,(110 + currentpromoteheight + 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; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (currentpromoteheight + 110)){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(110 + currentpromoteheight + event.clientY - docheight));
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}

	if(ycoord < 0) { ycoord = ycoord*-1; }
	getDescriptionObj().style.left=xcoord+"px"
	getDescriptionObj().style.top=ycoord+"px"

}
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 (document.all){
	//	gettrailobjnostyle().innerHTML = 'A = ' + truebody().scrollHeight + '<br>B = ' + truebody().clientHeight;
	//} else {
	//	gettrailobjnostyle().innerHTML = 'C = ' + document.body.offsetHeight + '<br>D = ' + window.innerHeight;
	//}

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < 380){
			xcoord = e.pageX - xcoord - 400; // Move to the left side of the cursor
		} 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; // Move to the left side of the cursor
		} 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*-1; }
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"

}

var objImage = new Image();
function showtrail(imagename,title,description,ratingaverage,ratingnumber,showthumb,height,filetype){
	if (height > 0){
		currentimageheight = height;
	}

	document.onmousemove=followmouse

	newHTML = '<div style=" background-color: #000000; border: 1px solid #cc2424;height:316px;">';
			var imgname = "images/loader.gif";
			newHTML = newHTML + '<img id="thumbImageID" src="' + imgname + '" border="0" class="loader"></div>';

	newHTML = newHTML + '</div>';
	gettrailobjnostyle().innerHTML = newHTML;
	objImage = new Image();
	objImage.onLoad = imageOnLoad(imagename);
	objImage.src = "pages/"+imagename+"/big_"+imagename+".jpg";
	gettrailobj().display="inline";
}
function hidetrail(){
	gettrailobj().innerHTML = " ";
	gettrailobj().display="none"
	document.onmousemove=""
	gettrailobj().left="-1000px"

}
function showDescription(element,caption,description){
	newHTML = '';
	newHTML = newHTML + '<div class="caption">' + caption + '</div>';
	newHTML = newHTML + '<div class="description">' + description + '</div>';
	getDescriptionObj().innerHTML = newHTML;
	getDescriptionObj().style.display="inline";
	currentpromoteheight = getDescriptionObj().clientHeight - 60
	document.onmousemove=followmouseDescription
	element.style.backgroundColor='#cc2424';
}
function hideDescription(element){
	getDescriptionObj().innerHTML = " ";
	getDescriptionObj().style.display="none"
	document.onmousemove=""
	getDescriptionObj().style.left="-1000px"
	element.style.backgroundColor='#4C4C4C'
}
function imageOnLoad(imagename){
	document.getElementById("thumbImageID").src = "pages/"+imagename+"/big_"+imagename+".jpg";
	document.getElementById("thumbImageID").style.marginTop = "0px";
}