function get_sub(obj) {
		var ul = obj.parentNode.getElementsByTagName('ul');
	
		return ul? ul.item(0) : false;
	}
	
	var preload = new Image();
	preload.src = '/imgs/menu_selected.jpg';
	
	
	var zatvaranje, prethodni;
	function submeni(objID, action) {
		var menu = document.getElementById(objID);
		if(!menu)
			return;
		if( action == 'show' ) {
			clearTimeout( zatvaranje ); //sprecavamo flicker
			submeni_hide(prethodni); //zatvori prethodni meni, ako postoji
			prethodni = objID;
			menu.style.display = 'block';
	
		} else { //hide
			zatvaranje = setTimeout( 'submeni_hide("' + objID + '")', 200 );
		}
	}
	
	function submeni_hide(objID) {
		if(!objID)
			return;
	
		document.getElementById(objID).style.display = 'none';
		highlight(objID + '_a', 'off');

	}
	
	function highlight(objID, flag) {
	
		if(flag == 'on') {
			document.getElementById(objID).className = 'highlight';
	
		}else {
			document.getElementById(objID).className = '';
		}
	
	
	}
	
	function togglemeni(objid) {
	
		var meni = document.getElementById(objid);
		if(!meni)
			return;
	
		var state = (meni.style.display == 'block')? 'none' : 'block';
		meni.style.display = state;
	
		var listitem = meni.parentNode;
	
		if(listitem.className.indexOf('topMenu')<0) // if not top menu
			return;
	
		var subcats = listitem.getElementsByTagName('ul');
		if(!subcats || !subcats[0])
			return;
	
		if(state=='none')
			listitem.className = listitem.className.replace(' topOpened','');
		else
			listitem.className += ' topOpened';
	
	
	
	}