function open_window(URL){
		var x = screen.width/2 -200;
		var y = screen.height/2 - 200;
		var newWindow = window.open(URL, "newWin", "width=510,height=575,resizable,menubar=no,toolbar=no,scrollbars=yes,top=" + y + ",left=" + x + ",screenX=" + x + ",screenY=" + y);
		newWindow.focus();
	}
	
	function open_fullWindow(URL){
		var x = screen.width/2 - 1;
		var y = screen.height/2 - 1;
		var newWindow = window.open(URL, "newWin", "resizable,menubar=yes,toolbar=yes,scrollbars=yes");
		newWindow.focus();
	}