var d = document, dE = d.documentElement;

function menuHover() {
	var menuItems = d.getElementById("menu").getElementsByTagName("LI");
	
	for (var i = 0, miL = menuItems.length; i < miL; i++) {    
		menuItems[i].onmouseover = function() {
			this.className = "dohover";
		}
		menuItems[i].onmouseout = function() {
			this.className = "";
		}

		// filtr prusvitnosti pro IE 5.5+
		var hasSub = menuItems[i].getElementsByTagName("UL")[0];
		if (hasSub && (typeof hasSub.filters == "object")) {
      hasSub.style.filter = "alpha(opacity=95)";
		}
	}
}

// onload
window.onload = function(e) {
	if (d.getElementById) {
		if (d.all) {
			menuHover();
		}
	}
}