/*function setClass(over, where){
	var hoverStr = 'hover';

	if (over){
		where.className = hoverStr;
	} else  {
		where.className = '';
	}
}*/

function adaptLis(){
	var lis = "";
	//lis = document.getElementById('main_nav').getElementsByTagName('li');
	lis = document.getElementById('menu').getElementsByTagName('li');
	if (lis != "" && lis != undefined && lis != null){
		for (i = 0; i < lis.length; i++){
			li = lis[i];
			li.onmouseover = function(){
				setClass(true, this);
			}
			li.onmouseout = function(){
				setClass(false, this);
			}
		}
	}
}

function setClass(over, where)
{
	var hoverStr = 'hover';
	if (over)
	{
		//reset svih sub_menu-ja
		 uls = document.getElementById('menu').getElementsByTagName('ul');

		 if (uls != "" && uls != undefined && uls != null)
		 {
			 
			 for (i = 0; i < uls.length; i++)
			 {
				
				 ul = uls[i];
				 
				 if (ul.className=="sub_menu")
				 {
					 ul.style.display="none"
				 }
			 }
		 }
		//display block za odredjeni sub menu
		where.className = hoverStr;
		if (where.hasChildNodes){
			var c=0;
			arrChilds=where.childNodes;
			while(c < arrChilds.length){
				if (arrChilds[c].nodeName == "UL")
				{
					arrChilds[c].style.display="block";
				}
				c++;
			}
		}
	}
	else
	{
		//display none za odredjeni sub menu
		where.className = '';
		if (where.hasChildNodes){
			var d=0;
			
			arrChilds=where.childNodes;
			while(d < arrChilds.length){
				if (arrChilds[d].nodeName == "UL")
				{
					arrChilds[d].style.display='none';
				}
				d++;
			}
		}
	}
}

window.onload = adaptLis;