var h_menu_ids = ["menu1"]; // meniu id atskirti kableliu
var offset = 0; // submeniu atstumas nuo pagrindinio

function createmenu()
{
	for (var i = 0; i < h_menu_ids.length; i++) {
		var ultags = document.getElementById(h_menu_ids[i]).getElementsByTagName("ul");
		
    	for (var t = 0; t < ultags.length; t++) {
			ultags[t].style.top = ultags[t].parentNode.offsetHeight + offset+"px";
  
  		  	var spanref = document.createElement("span");
				spanref.className = "arrowdiv";
				spanref.innerHTML = "&nbsp;&nbsp;&nbsp;&nbsp;";
				
			ultags[t].parentNode.getElementsByTagName("a")[0].appendChild(spanref);
    		
			ultags[t].parentNode.onmouseover = function(){
    			this.getElementsByTagName("ul")[0].style.visibility="visible";
    		};
    		
			ultags[t].parentNode.onmouseout=function() {
				this.getElementsByTagName("ul")[0].style.visibility="hidden";
    		};
    	}
 	}
}

if (window.addEventListener) {
	window.addEventListener("load", createmenu, false);
} else if (window.attachEvent) {
	window.attachEvent("onload", createmenu);
}