JAVASCRIPT - popup 창 띄우기

	var width = 800;

	var height = 600;

	var left = (screen.width - width) / 2 ; 


	var top = (screen.height - height) / 2;                   


	var windowproperties = "width="+ width + ",height=" + height + ",left="+ left +",top="+ top +",scrollbars=0"; 


	var url = "http://주소";


	window.open(url, "radio", windowproperties);