var newWin = null;
function closeWin() {
	if(newWin !=null) {
		if(!newWin.closed)
		newWin.close();
		}
	}

function MM_openBrWindow(theURL,winName,features) {
	closeWin();
	newWin=window.open(theURL,winName,features);
	newWin.focus();
	}