var cssmenuids=["cssmenu"]; 
var csssubmenuoffset = -1; 

function createcssmenu(){
	for (var i = 0; i < cssmenuids.length; i ++){
		var ultags = document.getElementById(cssmenuids[i]).getElementsByTagName("ul");
		
		$("#bt" + apartat).css('background', 'url(' + jerarquia + 'img/menu/bt_on.gif)');
		  
		for (var t = 0; t < ultags.length; t ++){
			// ubiquem els submenús
			ultags[t].style.top = ultags[t].parentNode.offsetHeight+csssubmenuoffset + "px";
			ultags[t].style.left = (ultags[t].style.left - 1) + "px";
			
			// accions de rollover
			ultags[t].parentNode.onmouseover=function(){
				this.style.zIndex=100;
				this.getElementsByTagName("ul")[0].style.visibility="visible";
				this.getElementsByTagName("ul")[0].style.zIndex=0;
				this.quin = t;
				var ident = this.id.substring(2,3);
				// en el botó d'apartat actual no hi ha rollover
				if(apartat != ident) $("#bt" + ident).css('background', 'url(' + jerarquia + 'img/menu/bt_on.gif)');
			}
			
			//accions de rollout
			ultags[t].parentNode.onmouseout=function(){
				this.style.zIndex=0;
				this.getElementsByTagName("ul")[0].style.visibility="hidden";
				this.getElementsByTagName("ul")[0].style.zIndex=100;
				var ident = this.id.substring(2,3);
				// en el botó d'apartat actual no hi ha rollout
				if(apartat != ident) $("#bt" + ident).css('background', 'url(' + jerarquia + 'img/menu/bt_off.gif)');
			}
		}
	}
}

if (window.addEventListener) window.addEventListener("load", createcssmenu, false);
else if (window.attachEvent) window.attachEvent("onload", createcssmenu);