function addEventPopUp(obj,evType,fn){
	if (obj.addEventListener){
		obj.addEventListener(evType,fn,true);
		return true;
		} else if (obj.attachEvent){
		var r=obj.attachEvent("on"+evType,fn);
		return r;
		} else {
			return false;
		}
}

function openWin(e){
	if (!e && window.event) e=window.event;
	if (!e.target) e.target=e.srcElement;
	var obj=e.target;
	while (obj.tagName.toLowerCase() != "a"){
		obj=obj.parentNode;
		if (obj.tagName.toLowerCase()=="body"){
			return true;
		}
	}
  window.open(obj.href,'okno','height=730,width=850,menubar=no,scrollbars=yes,status=no,screenX=0,screenY=0,left=0,top=0,resizable=yes');
  if (e.preventDefault){e.preventDefault();}return false;
}

function getElementsByClassName(class_name){
	var all_obj,ret_obj=new Array(),j=0;
	if (document.all)all_obj=document.all;
	else if (document.getElementsByTagName && !document.all) all_obj=document.getElementsByTagName ("*");
	for (i=0;i < all_obj.length;i++){
		if (all_obj[i].className==class_name){
			ret_obj[j++]=all_obj[i];
		}
	}
	return ret_obj;
	}

// addEventPopUp(window,"load",initPopUp);

function initPopUp(){
	var ilustrace=new Array();
	var ilustracevelke=new Array();
	var links=new Array();
	var ilustrace=getElementsByClassName("nahledyFotek");
	var ilustracevelke=getElementsByClassName("praceNahledy");
	var links=ilustrace.concat(ilustracevelke);
	for (var i=links.length-1;i>=0;i--){
		addEventPopUp(links[i],"click",openWin);
	}
	return true;
}