var thiswin;
	function browser(thisFile)
	        {
	        if (thiswin && thiswin.location) thiswin.close();
	          thiswin =     window.open(thisFile,"bsupopupwindow1","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=283,height=283");
	        }