function startList() {
if (document.all&&document.getElementById) {
navRoot = document.getElementById("nav");
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over";
  }
  node.onmouseout=function() {
  this.className=this.className.replace
        (" over", "");
   }
   }
  }
 }
}

if (document.images)
    {
      preload_image_object = new Image();
      image_url = new Array();
      image_url[0] = "images/kartyak/frunda.gif";
      image_url[1] = "images/kartyak/sogor.gif";
      image_url[2] = "images/kartyak/winkler.gif";
      image_url[3] = "images/kartyak/biro.gif";
	  image_url[4] = "images/kartyak/korodi.gif";
      for(i=0; i<=4; i++) preload_image_object.src = image_url[i];
    }
function oszlop(bcontent,contjobb) {
  if (document.getElementById(bcontent)) {
	var lh=document.getElementById(bcontent).offsetHeight;
	var rh=document.getElementById(contjobb).offsetHeight;
	var nh = Math.max(lh, rh); 
	document.getElementById(bcontent).style.height=nh+"px";
	document.getElementById(contjobb).style.height=nh+"px";		
  }
}
	
function change(kit){
	document.getElementById("kartyak").style.background = "url(images/kartyak/"+kit+".gif)";
}
function change_back(){
	document.getElementById("kartyak").style.background = "url(images/kartyak/frunda.gif)";
}

function roll(img_name, img_src){
	document[img_name].src = img_src;
}