/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/
var itemWidth = 500;
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 = 500;	// 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,title,description,showthumb,height,newItemWidth){
	
	//alert( 'no' );
	if (newItemWidth != false) {
		itemWidth = newItemWidth;
	}

	if (height > 0){
		currentimageheight = height;
	}

	document.onmousemove=followmouse;

	cameraHTML = '';

	newHTML = '<div>';
	newHTML = newHTML + '<span>' + title + '</span><div class="borderbot"></div>';

	if (showthumb > 0){
		newHTML = newHTML + '<div style="border: 1px solid #000000;" align="center"><img src="' + imagename + '" border="0"></div>';
	}

	newHTML = newHTML + '</div>';

	gettrailobjnostyle().innerHTML = newHTML;

	gettrailobj().visibility="visible";

}


function showhtml(newHtml,height) {

	document.onmousemove=followmouse;
	newHtml = '<div style="border: 1px solid #000000;background-color:#FFFFFF;padding:5px" align="left">' + newHtml + '<div>';
	gettrailobjnostyle().innerHTML = newHtml;
	gettrailobj().visibility="visible";

}

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

}

function followmouse(e){

	var xcoord=offsetfrommouse[0]
	var ycoord=offsetfrommouse[1]
	
	var x,y;
	if (self.innerHeight) // all except Explorer
	{
		docwidth = self.innerWidth;
		docheight = self.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientHeight)
		// Explorer 6 Strict Mode
	{
		docwidth = document.documentElement.clientWidth;
		docheight = document.documentElement.clientHeight;
	}
	else if (document.body) // other Explorers
	{
		docwidth = document.body.clientWidth;
		docheight = document.body.clientHeight;
	}
	

	//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)
	
	//document.getElementById("status").innerHTML = 'The width: ' + docwidth + ', ' + docheight

	if (typeof e != "undefined"){		
		document.getElementById("status").innerHTML = 'The Coords: ' + e.pageX + ', ' + e.pageY 
		if (docwidth - e.pageX < itemWidth + 50){
			xcoord = e.pageX - xcoord - itemWidth; // 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"){
		document.getElementById("status").innerHTML = 'The Coords: ' + event.clientX + ', ' + event.clientY 
		if (docwidth - event.clientX < itemWidth + 50){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - itemWidth; // 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( xcoord < -100 )
		xcoord = xcoord + itemWidth + 30;
	//xcoord = -10;
	if((ycoord + currentimageheight) > 600)
		ycoord = (600 - currentimageheight) / 2
	else if( ycoord < 0 )
		ycoord = 0;	 
	//document.getElementById("status").innerHTML = 'X: ' + xcoord + ', Y: ' + ycoord
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"

}