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

var w=1
var h=1

if (document.getElementById || document.all)
//document.write('<div id="trailimageid" style="position:absolute;visibility:hidden;left:0px;top:-1000px;width:1px;height:1px;border:1px solid #888888;background:#DDDDDD;"><img id="ttimg" src="img/s.gif" /></div>')

document.write('<div id="trailimageid" style="position:absolute;visibility:visible;left:0px;top:-1000px;width:1px;height:1px;"></div>')


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

function gettrailobjm()
{
	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 hidetrail()
{
	document.onmousemove=""
	//document.getElementById('ttimg').src=''
	//////gettrailobj().visibility="hidden"
	gettrailobjm().innerHTML = "<img src='images/ajax-loader.gif'>";
	
	gettrailobj().left=-1000
	gettrailobj().top=0
}


function showtrail(width,height,file)
{
	if(navigator.userAgent.toLowerCase().indexOf('opera') == -1 && navigator.userAgent.toLowerCase().indexOf('safari') == -1)
	{
		w=width
		h=height
		
		// followmouse()
	
		//////gettrailobj().visibility="visible"
		gettrailobj().width=w+"px"
		gettrailobj().height=h+"px"
		//document.getElementById('ttimg').src=file
		getProperties(file);
		document.onmousemove=followmouse
	}
}

function followmouse(e)
{

	if(navigator.userAgent.toLowerCase().indexOf('opera') == -1 && navigator.userAgent.toLowerCase().indexOf('safari') == -1)
	{

		var xcoord=20
		var ycoord=20

		if (typeof e != "undefined")
		{
			xcoord+=e.pageX
			ycoord+=e.pageY
		}
		else if (typeof window.event !="undefined")
		{
			xcoord+=truebody().scrollLeft+event.clientX
			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 (xcoord+w+3>docwidth)
		xcoord=xcoord-w-(20*2)

		if (ycoord-truebody().scrollTop+h>truebody().clientHeight)
		ycoord=ycoord-h-20;

		gettrailobj().left=xcoord+"px"
		gettrailobj().top=ycoord+"px"

	}

}

function getProperties(id)
{
	xmlhttpPost("getProperties.php?id=" + id)
}

function xmlhttpPost(strURL) 
{

	gettrailobjm().innerHTML = "<img src='images/ajax-loader.gif'>";
	
    var xmlHttpReq = false;
    var self = this;
	
    // Mozilla/Safari
    if (window.XMLHttpRequest) 
	{
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) 
	{
        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }

    self.xmlHttpReq.open('POST', strURL, true);
    self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	//alert("Basla");

    self.xmlHttpReq.onreadystatechange = function() 
	{
        if (self.xmlHttpReq.readyState == 4) 
		{
           gettrailobjm().innerHTML = (self.xmlHttpReq.responseText);
        }
    }
    self.xmlHttpReq.send("");
}