function subMenuClicked(katID){
var obj = document.getElementById('submenu'+katID);
if(obj.style.display == 'block'){
obj.style.visibility='hidden';
obj.style.display='none';
}
else{
obj.style.visibility='visible';
obj.style.display='block';
}
}
function openSubMenusFor(katID){
var objLI = document.getElementById('sublink'+katID);
while((objLI != null)&&(objLI.parentNode)&&(objLI.parentNode.tagName == 'UL')){
var objUL = objLI.parentNode;
objUL.style.visibility='visible';
objUL.style.display='block';
if(objUL.parentNode){
	objLI = objUL.parentNode;
}
else{
	objLI = null;
}
}
}