function openWindow(url,width,height) {
	// derived from PPK, http://www.quirksmode.org/js/croswin.html
	if (!newwindow.closed && newwindow.location) {
		//alert('newwindow is closed or already has a location');
		newwindow.location.href = url;
	}
	else {
		params = (arguments[3])?','+arguemnts[3]:',resizable=yes,scrollbars=no,status=no,toolbar=no';
		var windowOptionsString = [
			'height=',
			height,
			',width=',
			width,
			params
		];
		var windowOptionsString = windowOptionsString.join('');
		newwindow=window.open(url,'window',windowOptionsString);
		if (!newwindow.opener) newwindow.opener = self;
	}
	if (window.focus) {newwindow.focus();}
	if (this != window) {
		return false;
	}
}
var newwindow = "";