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

var offsetfrommouse=[0,0]; //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
var displayduration=10; //duration in seconds image should remain visible. 0 for always.
var currentimageheight = 400;	// maximum image size.
var currentimagewidth = 0;	// maximum image size.

if (document.getElementById || document.all){
	document.write('<div id="trailimageid" style="position: absolute;visibility: hidden;z-index: 200;border: solid 1px #003366;padding: 10px 10px 10px 10px;background-color: #FFFFFF;">');
	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_location(imagename,title,description,xoff,yoff){
    offsetfrommouse[0] = xoff
    offsetfrommouse[1] = yoff

	document.onmousemove=followmouse;

    newHTML = '<img src="' + imagename + '" border="0">';
    //style="padding: 8px 2px 2px 2px;position: absolute;z-index: 200;left:'+ imageleft +'"

	gettrailobjnostyle().innerHTML = newHTML;

	gettrailobj().visibility="visible";
	

}

function showtrail_simple(imagename,title,description,height){
	if (height > 0){
		currentimageheight = height;
	}

	document.onmousemove=followmouse;

    newHTML = imagename;
    //style="padding: 8px 2px 2px 2px;position: absolute;z-index: 200;left:'+ imageleft +'"

	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 : pageXOffset+window.innerWidth-15
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)
	
	

	//if (document.all){
	//	gettrailobjnostyle().innerHTML = 'A = ' + truebody().scrollHeight + '<br>B = ' + truebody().clientHeight;
	//} else {
	//	gettrailobjnostyle().innerHTML = 'C = ' + document.body.offsetHeight + '<br>D = ' + window.innerHeight;
	//}

/*
	if (typeof e != "undefined"){
		if (docwidth - e.pageX < 300){
			xcoord = e.pageX - xcoord - 300; // 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 - 286; // 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(ycoord < 0) { ycoord = ycoord*-1; }


	if (typeof e != "undefined"){
        xcoord = e.pageX + offsetfrommouse[0];
        ycoord = e.pageY + offsetfrommouse[1];
	} else if (typeof window.event != "undefined"){
	    //alert(Math.max(truebody().scrollHeight, truebody().clientHeight));
	    //alert(docheight);
	    //alert(truebody().scrollTop);
	    //alert(event.clientY);
	    //alert(event.clientX + offsetfrommouse[0]);
        xcoord = event.clientX + offsetfrommouse[0] + truebody().scrollLeft;
        ycoord = event.clientY + offsetfrommouse[1] + truebody().scrollTop;
	}

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

}