/*
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 currentimageheight = 270;	// maximum image size.

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

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

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


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

function showtrail(imageid,title,description,height){
if(document.all && xUA.indexOf('msie 7')===-1 && parseInt(navigator.appVersion)>=4  && parseInt(navigator.appVersion)<7)
{
//alert(parseInt(navigator.appVersion));
xHide("Categories");
}
	if (height > 0){
		currentimageheight = height;
	}

	document.onmousemove=followmouse;

	

	newHTML = '<div  id="popup_content" >';
	newHTML = newHTML + '<p>' + title + '</p>';
	newHTML = newHTML + '<p align=center>';
	newHTML = newHTML + '<img id="popimg" src="images/' + title + '.jpg?w=308&h=300&t=1" align=absmiddle  border=0></a></p>';
	newHTML = newHTML + '<p id=description>' + description + '</p>';
	//newHTML = newHTML + '<span id="waiting"><img src="images/indicator.gif" id="loading" border="0"><br>loading...</span>';

	
	newHTML = newHTML + '</div>';
	gettrailobjnostyle().innerHTML = newHTML;
				//xHide(popup_content);
			//xHide(popimg);
			//xShow(waiting);
			//	window.setTimeout('xHide(waiting)',5000);
//xShow(popimg);
	gettrailobj().visibility="visible";
}


function hidetrail(){
	gettrailobj().visibility="hidden"
	document.onmousemove=""
	gettrailobj().left="-500px"
xShow("Categories");

}

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 (document.all){
	//	gettrailobjnostyle().innerHTML = 'A = ' + truebody().scrollHeight + '<br>B = ' + truebody().clientHeight;
	//} else {
	//	gettrailobjnostyle().innerHTML = 'C = ' + document.body.offsetHeight + '<br>D = ' + window.innerHeight;
	//}

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < 380){
			xcoord = e.pageX - xcoord - 400; // Move to the left side of the cursor
		} 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"

}