var offsetfrommouse=[15,-15]; 
var displayduration=10; 
var currentimageheight = 160; 

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,showthumb,height){

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

document.onmousemove=followmouse;

newHTML = '<div style="padding: 5px; background-color: #FFFFFF; border: 1px solid #888888;">';
/*
newHTML = newHTML + '<h2>' + title + '</h2>';
newHTML = newHTML + description + '<br/>'; 
*/

if (showthumb > 0){
newHTML = newHTML + '<div align="center" style="padding: 8px 2px 2px 2px;">';
newHTML = newHTML + '<img src="' + imagename + '" border="0"></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(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 < 180){
xcoord = e.pageX - xcoord - 200; // Move to the left side of the cursor
} else {
xcoord += e.pageX;
}
if (docheight - e.pageY < (currentimageheight + 5)){
ycoord += e.pageY - Math.max(0,(5 + currentimageheight + e.pageY - docheight - truebody().scrollTop));
} else {
ycoord += e.pageY;
}

} else if (typeof window.event != "undefined"){
if (docwidth - event.clientX < 180){
xcoord = event.clientX + truebody().scrollLeft - xcoord - 200; // Move to the left side of the cursor
} else {
xcoord += truebody().scrollLeft+event.clientX
}
if (docheight - event.clientY < (currentimageheight + 5)){
ycoord += event.clientY + truebody().scrollTop - Math.max(0,(5 + 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)
if(ycoord < 0) { ycoord = ycoord*-1; }
gettrailobj().left=xcoord+"px"
gettrailobj().top=ycoord+"px"

}