var menuHover = function() {
        var menuItems = document.getElementById("menu").getElementsByTagName("li");
        for (var i=0; i<menuItems.length; i++) {
                menuItems[i].onmouseover=function() {
                        this.className+=" over";
                }
                menuItems[i].onmouseout=function() {
                        this.className=this.className.replace(/ over(\s|$)/, "");
                }
        }
}
if(window.attachEvent) window.attachEvent("onload", menuHover);


function mo(slot) {
			for( i = 1; i < 25; i++ ) {
				document.getElementById('slot'+i).style.display = 'none';
			}
				document.getElementById('slot'+slot).style.display = 'block';
			}