/*
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 = 600;	// maximum image size.
var currentimagewidth = 600;	// maximum image size.
var margin = 20;

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, width, height){
	
	if (height > 0){
		currentimageheight = height;
	} 
	
	if (width > 0){
		currentimagewidth = width;
	} 

	document.onmousemove=followmouse;

	newHTML = '<img src="' + imagename + '" border="0" />';

	gettrailobjnostyle().innerHTML = newHTML;

	gettrailobj().visibility="visible";

}


function hidetrail(){
	gettrailobj().visibility="hidden"
	document.onmousemove=""
	gettrailobj().left="-1000px"

}

function followmouse(e){

	var xcoord=offsetfrommouse[0]
	var ycoord=offsetfrommouse[1]

	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth-40 : pageXOffset+window.innerWidth-40
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight)-5 : Math.min(window.innerHeight)-5

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < currentimagewidth){
			xcoord = e.pageX - xcoord - currentimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < (currentimageheight + margin)){
			ycoord += e.pageY - Math.max(0,(margin + currentimageheight + e.pageY - docheight - truebody().scrollTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < currentimagewidth){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - currentimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (currentimageheight + margin)){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(margin + 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"

}

function putFlashHere( sPath, iWidth, iHeight, sID) {
with (document) {
write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="../download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0/#version=5,0,0,0/default.htm" width="'+iWidth+'" height="'+iHeight+'" id="'+sID+'">');
write('  <param name="movie" value="'+sPath+'" />');
write('  <param name="quality" value="best" />');
write('  <param name="wmode" value="transparent" />');
write('  <param name="menu" value="false" />');
write('  <embed src="'+sPath+'" quality="best" wmode="transparent" menu="false" width="'+iWidth+'" height="'+iHeight+'" swLiveConnect=true name="'+sID+'" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="../www.macromedia.com/go/getflashplayer" />');
write('</object>');
}
}
