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.

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

function gettrailobj(){
if (document.getElementById)
return document.getElementById("imageidSet").style
else if (document.all)
return document.all.trailimagid.style
}

function gettrailobjnostyle(){
if (document.getElementById)
return document.getElementById("imageidSet")
else if (document.all)
return document.all.trailimagid
}


function truebody(){
return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function showMouseOver(imagename,title,description,width,height){
if (height > 0){
currentimageheight = height;
}

document.onmousemove=followmouse;





newHTML = '<div style="padding: 5px; background-color: #FFF; border: 1px solid #888;">';
newHTML = newHTML + '<h2>' + title + '</h2>';
newHTML = newHTML + description + '<br/>';

newHTML = newHTML + '<div align="center" style="padding: 8px 2px 2px 2px;">';
//newHTML = newHTML + '<img src="' + imagename + '" width="' + width + '" border="0"></div>';
newHTML = newHTML + '<img src="' + imagename + '" border="0"></div>';



newHTML = newHTML + '</div>';
gettrailobjnostyle().innerHTML = newHTML;
gettrailobj().display="inline";
}


function hideMouseOver(){
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 (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"

}