function popup(win_url,win_name,win_scrollbars,win_width,win_height,win_top)
			{
				var win_data = "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=" + win_scrollbars + ",resizable=1,width=" + win_width + ",height=" + win_height;
				nw = window.open(win_url,win_name,win_data);
			}