var horizontal_offset="10px" //horizontalni odsazeni od kotvy
var vertical_offset="0px" //vertikalni odsazeni od kotvy
var ie=document.all
var ns6=document.getElementById&&!document.all

function getposOffset(what, offsettype) {
	var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
	var parentEl=what.offsetParent;
	while (parentEl!=null) {
		totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
		parentEl=parentEl.offsetParent;
	}
	return totaloffset;
}

function iecompattest() {
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge) {
	var edgeoffset=(whichedge=="rightedge")? parseInt(horizontal_offset)*-1 : parseInt(vertical_offset)*-1
	if (whichedge=="rightedge") {
		var windowedge=ie && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-30 : window.pageXOffset+window.innerWidth-40
		dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
		if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
			edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth+parseInt(horizontal_offset)
	} else {
		var windowedge=ie && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
		dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
		if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
			edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight
	}
	return edgeoffset
}

function showhint(menucontents, obj, e, tipwidth) {
	if ((ie||ns6) && document.getElementById("hintbox")) {
		dropmenuobj=document.getElementById("hintbox")
		dropmenuobj.innerHTML=menucontents
		dropmenuobj.style.left=dropmenuobj.style.top=-500
		if (tipwidth!=""){
			dropmenuobj.widthobj=dropmenuobj.style
			dropmenuobj.widthobj.width=tipwidth
		}
		dropmenuobj.x=getposOffset(obj, "left")
		dropmenuobj.y=getposOffset(obj, "top")
		dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+"px"
		dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+"px"
		dropmenuobj.style.visibility="visible"
		obj.onmouseout=hidetip
	}
}

function hidetip(e) {
	dropmenuobj.style.visibility="hidden"
	dropmenuobj.style.left="-500px"
}

function createhintbox() {
	var divblock=document.createElement("div")
	divblock.setAttribute("id", "hintbox")
	document.body.appendChild(divblock)
}

if (window.addEventListener)
	window.addEventListener("load", createhintbox, false)
else if (window.attachEvent)
	window.attachEvent("onload", createhintbox)
else if (document.getElementById)
	window.onload=createhintbox