/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/

var offsetfrommouse=[15,25]; //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 = 40; // maximum image size.
var defaultimagewidth = 40; // 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>650 && docheight>500)) {
 ( width == 0 ) ? width = defaultimagewidth: '';
 ( height == 0 ) ? height = defaultimageheight: '';

 width+=30
 height+=55
 defaultimageheight = height
 defaultimagewidth = width

 document.onmousemove=followmouse;


 newHTML = '<div class="border_preview" style="width:'+ width +'px;height:'+ height +'px"><div id="loader_container"><div id="loader"><div align="center">Loading template preview...</div><div id="loader_bg"><div id="progress"> </div></div></div></div>';
 newHTML = newHTML + '<h2 class="title_h2">' + ' '+title + '</h2>'

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

}