var offsetfrommouse=[3,-50];
var displayduration=0;
var currentimageheight = 100;

if (document.getElementById || document.all){
document.write('<div id="popup" style:position=relative>');
document.write('</div>');
}

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

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


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

function showtrail(pid,title,height,filetype){

document.onmousemove=followmouse;

cameraHTML = '';

//cameraHTML = cameraHTML + '';
newHTML = '<div class=popupbgr>';
newHTML = newHTML + '<div id="prev'+pid+'"></div>';
newHTML = newHTML + '</div>';

gettrailobjnostyle().innerHTML = newHTML;
gettrailobj().display="block";
GetUrl("/site/sw/getcomment.php?pid="+pid,"prev"+pid);

}


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 (typeof e != "undefined"){
if (docwidth - e.pageX < 380){
xcoord = e.pageX - xcoord - 400;
} 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;
}
}

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"

}