function changeMenu(menu2show){
	if (document.getElementById) {
		thisMenu = document.getElementById(menu2show).style;
//		thisMenu.display = "block";
		if (thisMenu.display == "block" ) {
			thisMenu.display = "none";
			}
		else {
			thisMenu.display = "block";
			}
		}
	else {
		}
	}