function doall(currentclass, newclass){
// Open or close all menu items
// Look for all LI elements
    uls = document.getElementsByTagName("li");
    for (uli=0;uli<uls.length;uli++) {
        ul = uls[uli];
// Check and change the class name
        if (ul.nodeName == "LI" && ul.className == currentclass) {
			ul.className = newclass;
		}     
	}
}