var offsetfrommouse=[15,15]; //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset

var displayduration=1; //duration in seconds image should remain visible. 0 for always.

var currentimageheight = 450;	// maximum image size.

var t_id = 0;

var currentimagewidth = 430;	// maximum image size.

var timer;



var pos=0;

var dir=2;

var len=0;



function getSize() {

	var myWidth = 0, myHeight = 0;

	if( typeof( window.innerWidth ) == 'number' ) {

		myWidth = window.innerWidth; myHeight = window.innerHeight;

	} else if( document.documentElement && ( document.documentElement.clientWidth ||document.documentElement.clientHeight ) ) {

		myWidth = document.documentElement.clientWidth; myHeight = document.documentElement.clientHeight;

	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {

		myWidth = document.body.clientWidth; myHeight = document.body.clientHeight;

	}

	return [myWidth,myHeight];

}

function getScrollXY() {

	var scrOfX = 0, scrOfY = 0;

	if( typeof( window.pageYOffset ) == 'number' ) {

		scrOfY = window.pageYOffset; scrOfX = window.pageXOffset;

	} else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {

		scrOfY = document.body.scrollTop; scrOfX = document.body.scrollLeft;

	} else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {

		scrOfY = document.documentElement.scrollTop; scrOfX = document.documentElement.scrollLeft;

	}

	return[scrOfX,scrOfY];

}



function gettrailobj(){

if (document.getElementById)

return document.getElementById("preview_div").style

else if (document.all)

return document.all.trailimagid.style

}



function gettrailobjnostyle(){

if (document.getElementById)

return document.getElementById("preview_div")

else if (document.all)

return document.all.trailimagid

}





function truebody(){

return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body

}





function hidetrail(){	

	gettrailobj().display= "none";

	document.onmousemove=""

	gettrailobj().left="-500px"

	clearTimeout(timer);

}



function showtrail(imagename,title,showthumb){

	i = imagename

	t = title

	s = showthumb

	timer = setTimeout("show('"+i+"',t,s);",200);

}
function show(imagename,title,showthumb){
	
	document.onmousemove=followmouse;
	t_id = setInterval(animate,20);
	
	newHTML = '<div class="border_preview"><div id="loader_container"><img src="http://icetemplates.com/images/ajax-loader.gif" width="220" height="19" border="0" alt=""></div>';
	newHTML = newHTML + '<h2>' + title + '</h2>'
	if (showthumb > 0){
    newHTML = newHTML + '<div align="center" style="padding: 10px;"><img onload="javascript:remove_loading();" src="' + imagename + '" border="0"></div>';

	newHTML = newHTML + '</div>';
	framewidth = currentimagewidth+20;
	//if ((navigator.userAgent.indexOf("Firefox")==-1) && (navigator.userAgent.indexOf("Opera")==-1) ) {	newHTML = newHTML+'<iframe src="about:blank" scrolling="no" frameborder="0" width="'+framewidth+'" height="'+currentimageheight+'"></iframe>';}
	if ((navigator.userAgent.indexOf("Firefox")==-1) && (navigator.userAgent.indexOf("Opera")==-1) ) {	newHTML = newHTML+'<iframe src="about:blank" scrolling="no" frameborder="0" width="'+framewidth+'" height="300"></iframe>';}

	var obj_id = gettrailobjnostyle()
	obj_id.innerHTML = newHTML;

	gettrailobj().display="block";

}

function followmouse(e){



	var xcoord=offsetfrommouse[0]

	var ycoord=offsetfrommouse[1]



	var windowWidth = getSize()[0];

	var windowHeight = getSize()[1];

	var windowScrollX = getScrollXY()[0];

	var windowScrollY = getScrollXY()[1];

	

	var browserSpecOffset = 0;

	

	ycoord = windowScrollY+(windowHeight-currentimageheight) / 2;

	

	if ((typeof e != "undefined") && (navigator.userAgent.indexOf("Opera")==-1)) {

		xcoord += e.pageX;

		browserSpecOffset = 50;

	}

	

	if ((typeof window.event != "undefined") && (navigator.userAgent.indexOf("Opera")==-1)){

		xcoord += event.clientX;

		browserSpecOffset = 30;

	}

	

	if (navigator.userAgent.indexOf("Opera")!=-1) {

		xcoord += window.event.clientX;

		browserSpecOffset = 50;

	}

	

	if (xcoord+currentimagewidth+browserSpecOffset>windowWidth) {

		e = e || window.event;

		if (e.pageX || e.pageY) {

			xcoord = e.pageX-currentimagewidth-30;

    	} else {

			xcoord = e.clientX-currentimagewidth-30;

	}

		//xcoord += currentimagewidth-windowWidth;

	}

	if (xcoord<0) {

		xcoord += browserSpecOffset+offsetfrommouse[0];

	}



	gettrailobj().left = xcoord+"px";

	gettrailobj().top = ycoord+"px";

}

}



function animate()

{

	var elem = document.getElementById('progress');

	if(elem != null) {

		if (pos==0) len += dir;

		if (len>32 || pos>79) pos += dir;

		if (pos>79) len -= dir;

		if (pos>79 && len==0) pos=0;

		elem.style.left = pos;

		elem.style.width = len;

	}

	

}



function remove_loading() {

	this.clearInterval(t_id);

	var targelem = document.getElementById('loader_container');

	targelem.style.display='none';

	targelem.style.visibility='hidden';

	//var t_id = setInterval(animate,60);

}