var itemWidth = 250;

var offsetfrommouse=[-350,-350]; //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 = 70;	// 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, showthumb, height, newItemWidth) {

	if( newItemWidth != false ) {

		itemWidth = newItemWidth;

	}

	if (height > 0){

		currentimageheight = height;

	}

	document.onmousemove=followmouse;

	cameraHTML = '';

	newHTML = '<div>';

	newHTML = newHTML + '<span>' + title + '</span><div class="borderbot"></div>';

	if (showthumb > 0){

		newHTML = newHTML + '<div style="border: 1px solid #000000;" align="center"><img src="' + imagename + '" border="0" style="display:block;"></div>';

	}

	newHTML = newHTML + '</div>';

	gettrailobjnostyle().innerHTML = newHTML;

	gettrailobj().visibility="visible";

	gettrailobj().position="absolute";

}

function showhtml(newHtml,height) {

	document.onmousemove=followmouse;

	newHtml = '<div style="border: 1px solid #000000;background-color:#FFFFFF;padding:5px" align="left">' + 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=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 < itemWidth + 50){

			if (noPicture == "yes") {

				xcoord = e.pageX - xcoord - itemWidth; // Move to the left side of the cursor

			} else {

				xcoord = e.pageX - xcoord - itemWidth; // 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 < itemWidth + 50){

			if (noPicture == "yes") {

				xcoord = event.clientX + truebody().scrollLeft - xcoord - itemWidth; // Move to the left side of the cursor

			} else {

				xcoord = event.clientX + truebody().scrollLeft - xcoord - itemWidth; // 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;

		}

	}

	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"

}

