// function: show / hide menu
function showMenu(menuId) {
	document.getElementById(menuId).style.display="";
}

function hideMenu(menuId) {
	document.getElementById(menuId).style.display="none";
}

function popUp(url,x,y) {
	var newWin = window.open(url,"popUp","width=" + x + ",height=" + y + ",status=no,toolbar=no,menubar=no,location=no,scrollbars=yes");
	newWin.focus();
}