function add_qc_object(){
	var height = 250;
	var width  = 800;
	var top    = (screen.availHeight - height)/2;
	var left   = (screen.availWidth - width)/2;
	var param  = 'toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,' + 
	             'width=' + width + ',height=' + height + ',left= ' + left + ',top=' + top;
window.open('K230_add_qc_object.jsp', 'win_name', param);
}