function truebody() {
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
}

function open_win(wwwlink,w,h) {
	window.open(wwwlink,"_blank","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, copyhistory=no, width="+w+", height="+h);
	return false;
}

function onoff(div) {
	var temp = document.getElementById(div);
	if( temp != null ) temp.style.display = ( temp.style.display == 'block' ) ? 'none' : 'block';
}