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

var offsetfrommouse=[30,15]; //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.
var currentimagewidth = 270;	// maximum image size.

if (document.getElementById || document.all){
	document.write('<div id="trailimageid" style="position: absolute; z-index: 250;">');
	document.write('</div>');
}
var divIdName = 'trailimageid';
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,src,width,height,filetype){
	if (height > 0){
		currentimageheight = height;
	}
	if (width > 0){
		currentimagewidth = width;
	}

	document.onmousemove=followmouse;

	newHTML = '<div style="padding: 5px; background-color: #FFF; border: 1px solid #888;">';
	newHTML = newHTML + '<h2>' + title + '</h2>';
	newHTML = newHTML + '<img src="/resize.asp?p=' + src+'&w='+width+ '" border="0" class="fotoblog"></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? Math.min(truebody().scrollWidth, truebody().clientWidth) : Math.min(window.innerWidth)
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	//if (document.all){
	//	gettrailobjnostyle().innerHTML = 'A = ' + docwidth + '<br>B = ' + docheight;
	//	gettrailobjnostyle().innerHTML += '<br>C = ' + event.clientX + '<br>D = ' + event.clientY;
	//} else {
	//	gettrailobjnostyle().innerHTML = 'C = ' + document.body.offsetHeight + '<br>D = ' + window.innerHeight;
	//}

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < currentimagewidth){
			xcoord = e.pageX - currentimagewidth - xcoord;
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < currentimageheight){
			ycoord = docheight - currentimageheight - ycoord;
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth- event.clientX < currentimagewidth ){
			xcoord = event.clientX - currentimagewidth - xcoord;
		} else {
			xcoord += truebody().scrollLeft + event.clientX;
		}
		if (docheight - event.clientY < currentimageheight){
			ycoord = docheight- currentimageheight - ycoord;
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}

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

}