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 = 200;	// maximum image size.

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,showthumb,height,filetype){
	if (height > 0){
		currentimageheight = height;
	}

document.onmousemove=followmouse;

newHTML = '<div id="popup" style="border:1px solid #003366">';
newHTML = newHTML + '<strong>' + title + '</strong>';
if(description !== '') {
	newHTML = newHTML + '<p>'+ description + '<p>' + '<br/>';
}
newHTML = newHTML + '<div align="center" style="border:0Px solid #003366; margin-top:4px">';
newHTML = newHTML + '<img src="' + imagename + '" border="0" style="border:0px none"></div>';
newHTML = newHTML + '</div>';

gettrailobjnostyle().innerHTML = newHTML;
gettrailobj().display="inline";
}

function showtrailBatch(imagename,title,filetype){

	document.onmousemove=followmouseBatch;





	newHTML = '<div style="padding: 5px; background-color: #FFF; border: 1px solid #888;" id="trailInnerDiv">';

	newHTML = newHTML + '<h1>' + title + '</h1>';



	newHTML = newHTML + '<div align="center" style="padding: 8px 2px 2px 2px;">';

	

//		newHTML = newHTML + '<img src="scalini_logo.png" border="0"></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 (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"



}



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; // Move to the left side of the cursor

		} 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); // Move to the left side of the cursor

		} 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*-1; }



	gettrailobj().left=xcoord+"px"

	gettrailobj().top=ycoord+"px"



}