//#################
//중앙에 새창 열기
//#################
function windowOpen(windowName, url, width, height)
{
	 var sw = screen.availWidth;
	 var sh = screen.availHeight;
	 var px = (sw - width) / 2;
	 var py = (sh - height) / 2;
	window.open( url, windowName,'left='+px+',top='+py+',width='+width+',height='+height+',toolbar=no,menubar=no,status=no,scrollbars=no,resizable=no');
	//windowName.focus();
}