function frame_height(id) {
	var the_height = document.getElementById(id).contentWindow.document.body.scrollHeight;
	//alert(the_height);
	document.getElementById(id).height=the_height;
}
function popup(url,title,w,h) {
	pwin=window.open(url, title, "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width="+w+",height="+h);
	pwin.focus();
}

function addLoadEvent (func) {
	var oldonload = window.onload;

	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function () {
			oldonload();
			func();
		}
	}
}