// mz-toolz

function openWindow( url, percent ){

		percent = (percent)?percent:70;

		var width = window.screen.width * (percent/100);
		var height = window.screen.height * (percent/100);
		var left = (window.screen.width-width)/2;
		var top = (window.screen.height-height)/2;

		window.open(url,'','width=' + width + ', height=' + height + ', left=' + left + ', top=' + top + ',status, menubar, resizable, scrollbars, toolbar');

}