/*
SIMPLE IMAGE TRAIL SCRIPT- BY JAVASCRIPTKIT.COM
VISIT HTTP://WWW.JAVASCRIPTKIT.COM FOR THIS SCRIPT AND MORE
THIS NOTICE MUST STAY INTACT
*/

var offsetfrommouse=[1,-100]; //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 = 200;	// maximum image size.

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, imagenum, owner, imageid, width_display_image)
{
	//var width = getImageWidth(imageid);
	//var height = getImageHeight(imageid);


	// CALCULATE THE WIDTH OF THE DISPLAY IMAGE BY EXTAPOLATION
	//var width_display_image = Math.round(width * 350 / 125) ;
	//var width_display_image = 400 ;


	document.onmousemove=followmouse;

	newHTML = '<div style="width:' + width_display_image + 'px; padding: 5px; background-color: #FFF; border: 1px solid #888;">';
	newHTML = newHTML + '<div align="center" style="padding: 0px 0px 0px 0px;"><img src="' + imagename + '" border="0"><br>';
	newHTML = newHTML + 'Image# ' + imagenum + '<br>';
	newHTML = newHTML + '' + owner + '</div>';
	newHTML = newHTML + '</div></div>';

	gettrailobjnostyle().innerHTML = newHTML ;
	gettrailobj().visibility = "visible" ;
	//gettrailobj().width = width_display_image + 0 + "px" ;
}


function hidetrail(){
		gettrailobj().visibility="hidden"
		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(document.body.offsetHeight, window.innerHeight)

	if (typeof e != "undefined")
	{
		if (docwidth - e.pageX < 300){
			xcoord = e.pageX - xcoord - 365; // 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 < 300){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - 365; // 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)


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

}