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>');
}

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,ratingaverage,ratingnumber,showthumb,height){

	if (height > 0){
		currentimageheight = height;
	}

	document.onmousemove=followmouse;

	cameraHTML = '';

	if (ratingnumber == 0){
		ratingaverage = 0;
	}

	for(x = 1; x <= 5; x++){

		if (ratingaverage >= 1){
			cameraHTML = cameraHTML + '';
		} else if (ratingaverage >= 0.5){
			cameraHTML = cameraHTML + '';
		} else {
			cameraHTML = cameraHTML + '';
		}

		ratingaverage = ratingaverage - 1;

	}

	

	newHTML = '<div style="padding: 5px; background-color: #FFF; border: 1px solid #888;">';
	newHTML = newHTML + '<span class="largetitle">' + title + '</span>';
	newHTML = newHTML + cameraHTML + '<br/>';

	if (showthumb > 0){
		newHTML = newHTML + '<div align="center" style="padding: 2px 2px 2px 2px;"><img src="' + imagename + '" border="0"></div>';
	}

	newHTML = newHTML + '</div>';

	gettrailobjnostyle().innerHTML = newHTML;

	gettrailobj().visibility="visible";

}


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

}

function followmouse(e){

	var xcoord=offsetfrommouse[0]
	var ycoord=offsetfrommouse[1]

	var docwidth=$("body").outerWidth()-15; 
	var docheight=$("body").outerHeight();
  
	if (typeof e != "undefined"){
		 
		if (docwidth < (e.pageX + $("#trailimageid").outerWidth())){
			xcoord = e.pageX - xcoord - $("#trailimageid").outerWidth(); // 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 + $("#trailimageid").outerWidth())){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - $("#trailimageid").outerWidth(); // 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;
		}
	}
 
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"

}