var itemWidth=220;
var offsetfrommouse=[15,15];
var displayduration=0;
var currentimageheight=100;
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,textname){
	if(!imagename&&!textname)
		return;
	if(textname&&!imagename){
		newimagename='<img src="http://www.krn.pl/web/graf/p.gif" border="0" align="left">';width=120;	
	} else if(imagename&&!textname){
		newimagename='<table width="100" height="100" align="left" border="0" cellspacing="0" cellpadding="0"><tr><td background="http://www.krn.pl/web/graf/laduje_obrazek.gif"><img src="'+imagename+'" border="0"></td></tr></table>';width=100;
	} else {
		newimagename='<table width="100" height="100" align="left" border="0" cellspacing="0" cellpadding="0"><tr><td background="http://www.krn.pl/web/graf/laduje_obrazek.gif"><img src="'+imagename+'" border="0"></td></tr></table>';width=220;
	}
	itemWidth=width;
	currentimageheight=100;
	document.onmousemove=followmouse;
	newHTML='<div style="position:relative; overflow:hidden; border: 1px solid #000000; background-color: #ffffff; width: '+width+'px; height: 100px" align="center" class="offerinfo">'+newimagename+textname+'</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 docwidth=document.all?truebody().scrollLeft+truebody().clientWidth-25:pageXOffset+window.innerWidth-25
	var docheight=document.all?Math.min(truebody().scrollHeight,truebody().clientHeight):Math.min(document.body.offsetHeight,window.innerHeight)
	if(typeof e!="undefined"){
		xcoord+=e.pageX;
		if((docheight-e.pageY)<(currentimageheight+20))
			ycoord+=e.pageY-Math.max(0,(20+currentimageheight+e.pageY-docheight-truebody().scrollTop));
		else
			ycoord+=e.pageY;
	} else if(typeof window.event!="undefined"){
		xcoord+=truebody().scrollLeft+event.clientX
		if(docheight-event.clientY<(currentimageheight+20))
			ycoord+=event.clientY+truebody().scrollTop-Math.max(0,(20+currentimageheight+event.clientY-docheight));
		else
			ycoord+=truebody().scrollTop+event.clientY;
		}
		if(xcoord+220>docwidth)
			xcoord=xcoord-itemWidth-25;gettrailobj().left=xcoord+"px"
		gettrailobj().top=ycoord+"px"
}