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

//var offsetfrommouse=[15,15]; //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 offsetfrommouse=[30,15];
var displayduration=0;
var currentimageheight = 580;
var defaultimageheight = 145;
var defaultimagewidth = 145;

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,ratingaverage,ratingnumber,showthumb,height,filetype,width){

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

	if (height > 100) {
	   	var offsetbasedonheight = ((height / 3) * -1);
	   	offsetfrommouse=[15, offsetbasedonheight];
    }

	document.onmousemove=followmouse;

	newHTML = '<div align="center" style="position:absolute; background-color: #FFF;">';

	if (showthumb > 0){
		newHTML = newHTML + '<iframe align="center" src="' + imagename + '" border="0" width="'+width+'" height="'+height+'"></iframe>';
	}

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


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);
    
    //var docheight = (typeof(  window.innerHeight ) == 'number') ? docHeight = window.innerHeight : docHeight  = document.documentElement.clientHeight;


    if (typeof e != "undefined"){
        if (docwidth - e.pageX < defaultimagewidth + 2*offsetfrommouse[0]){
            xcoord = e.pageX - xcoord - defaultimagewidth;
        } else {
            xcoord += e.pageX;
        }
        if (docheight - e.pageY < defaultimageheight + 2*offsetfrommouse[1]){
            
            var tmpScroll = truebody().scrollTop;
            if(tmpScroll == 0){ 
                tmpScroll = window.scrollY;
            }
            ycoord += e.pageY - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + e.pageY - docheight - tmpScroll));
        } 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;
        } 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-350+"px"; 
	gettrailobj().top=ycoord+"px"
}