function OnLoad() {
	for (i=2; i<5; i++){
 		var ultag = document.getElementById("sublist"+i);
		ultag.parentNode.onmouseover = function(){this.getElementsByTagName("ul")[0].style.display = "block";}
		ultag.parentNode.onmouseout = function(){this.getElementsByTagName("ul")[0].style.display = "none";}
	}
}

function menublauw() {
	document.getElementById("menuitem1").onmouseover = function(){this.style.background = "url(../images/nl/menuitem1_blauw.png) 0 0 no-repeat";}
	document.getElementById("menuitem1").onmouseout = function(){this.style.background = "url(../images/nl/menuitem1.png) 0 0 no-repeat";}
	document.getElementById("menuitem5").onmouseover = function(){this.style.background = "url(../images/nl/menuitem5_blauw.png) 0 0 no-repeat";}
	document.getElementById("menuitem5").onmouseout = function(){this.style.background = "url(../images/nl/menuitem5.png) 0 0 no-repeat";}

}