function popup(name, url, width, height, args) {
		var newWin = new Object();

		newWin.args = args;
		newWin.url = url;
		newWin.name = name;
		newWin.width = width;
		newWin.height = height;

		if (document.layers) {// browser is NN
			newWin.left = window.screenX + ((window.outerWidth - newWin.width) / 2);
			newWin.top = window.screenY + ((window.outerHeight - newWin.height) / 2);
			var attr = 'screenX=' + newWin.left + ',screenY=' + newWin.top + ',resizable=yes,width=' + newWin.width + ',height=' + newWin.height + ',' + newWin.args;
		}
		else {// browser is MSIE
			newWin.left = (screen.width - newWin.width) / 2;
			newWin.top = (screen.height - newWin.height) / 2;
			var attr = 'left=' + newWin.left + ',top=' + newWin.top + ',scrollbars=1,' + ',width=' + newWin.width + ',height=' + newWin.height + ',' + newWin.args;
		}

		newWin.win=window.open(newWin.url, newWin.name, attr);
		newWin.win.opener=self;
		newWin.win.focus();
	}