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


/*
Modified 2007-05-31 - MGFX
*/

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="trailimageid" div style="z-index:7000; position:absolute; visibility:visible; left:0px; top:0px; width:1px; height:1px;">');
	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,width,height,backgroundcolor,textcolor){
	if (height > 0){
		currentimageheight = height;
	}

	document.onmousemove=followmouse;

        width = width + 10;

	newHTML = '<div style="width:' + width + 'px; background-color:' + backgroundcolor +'; color:' + textcolor +'; border: 1px solid #c0c0c0; ">';
	newHTML = newHTML +'<div class="trail_general">';
	newHTML = newHTML +'<div class="trail_title">' + title + '</div>';
	newHTML = newHTML +'<div class="trail_description">' + description + '</div>';
	newHTML = newHTML +'<img src="' + imagename + '">';
	newHTML = newHTML +'<div class="trail_bottom">&nbsp;</div>';
	newHTML = newHTML +'</div>';

	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)


	if (typeof e != "undefined"){
		if (docwidth - e.pageX < 600){
			xcoord = e.pageX - xcoord - 470; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < (currentimageheight + 200)){
			ycoord += e.pageY - Math.max(0,(50 + currentimageheight + e.pageY - docheight - truebody().scrollTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < 600){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - 470; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (currentimageheight + 200)){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(50 + currentimageheight + event.clientY - docheight));
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}

	if(ycoord < 0) { ycoord = ycoord*-1; }
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"

}