var t_id = setInterval(animate,20);
var pos=0;
var dir=2;
var len=0;
function animate()
{
var elem = document.getElementById('progress');
if(elem != null) {
if (pos==0) len += dir;
if (len>32 || pos>79) pos += dir;
if (pos>79) len -= dir;
if (pos>79 && len==0) pos=0;
elem.style.left = pos;
elem.style.width = len;
}
}
function remove_loading() {
this.clearInterval(t_id);
var targelem = document.getElementById('loader_container');
targelem.style.display='none';
targelem.style.visibility='hidden';
var t_id = setInterval(animate,60);
}

var offsetfrommouse=[10,25]; //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 defaultimageheight = 358; // maximum image size.
var defaultimagewidth = 358; // maximum image size.
var timer;
function gettrailobj(){
if (document.getElementById)
return document.getElementById("preview_div").style
}
function gettrailobjnostyle(){
if (document.getElementById)
return document.getElementById("preview_div")
}
function truebody(){
return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}
function hidetrail(){ 
gettrailobj().display= "none";
document.onmousemove=""
gettrailobj().left="-500px"
clearTimeout(timer);
}
function showtrail(imagename,title,width,height){
i = imagename
t = title
w = width
h = height
timer = setTimeout("show('"+i+"',t,w,h);",200);
}
function show(imagename,title,width,height){
var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth - offsetfrommouse[0]
var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)
if( (navigator.userAgent.indexOf("Konqueror")==-1   || navigator.userAgent.indexOf("Firefox")!=-1 || (navigator.userAgent.indexOf("Opera")==-1 && navigator.appVersion.indexOf("MSIE")!=-1)) && (docwidth>580 && docheight>440)) {
( width == 0 ) ? width = defaultimagewidth: '';
( height == 0 ) ? height = defaultimageheight: '';

width+=10
height+=10
defaultimageheight = height
defaultimagewidth = width

document.onmousemove=followmouse; 

newHTML = '<div class="border_preview" style="width:'+   width +'px;"><div id="loader_container"><div id="loader"><div align="center" style="font-size:14px;">Loading......</div><div id="loader_bg"><div id="progress"> </div></div></div></div>';
//newHTML = newHTML + '<h2 class="title_h2">' + ' '+title + '</h2>'
newHTML = newHTML + '<div style="font-size:12px;margin:0px 0 0 0;text-align:center;">' + title + '</div>'

newHTML = newHTML + '<div class="preview_temp_load"><img onload="javascript:remove_loading();" src="' + imagename + '" width="320" border="0"></div>';
newHTML = newHTML + '</div>'; 

if(navigator.userAgent.indexOf("MSIE")!=-1 && navigator.userAgent.indexOf("Opera")==-1 ){
newHTML = newHTML+'<iframe src="about:blank" scrolling="no" frameborder="0" width="'+width+'" height="'+height+'"></iframe>';
}  
gettrailobjnostyle().innerHTML = newHTML;
gettrailobj().display="block";
}
}
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 < defaultimagewidth + 2*offsetfrommouse[0]){
xcoord = e.pageX - xcoord - defaultimagewidth; // Move to the left side of the cursor
} else {
xcoord += e.pageX;
}
if (docheight - e.pageY < defaultimageheight + 2*offsetfrommouse[1]){
ycoord += e.pageY - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + e.pageY - docheight - truebody().scrollTop));
} else {
ycoord += e.pageY;
}
} else if (typeof window.event != "undefined"){
if (docwidth - event.clientX < defaultimagewidth + 2*offsetfrommouse[0]){
xcoord = event.clientX + truebody().scrollLeft - xcoord - defaultimagewidth; // Move to the left side of the cursor
} else {
xcoord += truebody().scrollLeft+event.clientX
}
if (docheight - event.clientY < (defaultimageheight + 2*offsetfrommouse[1])){
ycoord += event.clientY + truebody().scrollTop - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + event.clientY - docheight));
} else {
ycoord += truebody().scrollTop + event.clientY;
}
}
gettrailobj().left=xcoord+"px"
gettrailobj().top=ycoord+"px"
}

function opencat(sid,img)
{
var element=eval("cat"+sid);
if(element.style.display=="block")
{
element.style.display="none";
img.src="images/bclasso.gif";
}
else
{
element.style.display="block";
img.src="images/bclassc.gif";
}

}
var NewWin = null;
function WinOpen(Url,W,H)
{
NewWin = window.open(Url,"nwin","scrollbars=yes,menubar=no,toolbar=no,resizable=no,alwaysRaised=yes,width="+W+",height="+H+",left=100,top=160");
NewWin.focus();
}