function trim(strText) { 
	// this will get rid of leading spaces 
	while (strText.substring(0,1) == ' ') 
	strText = strText.substring(1, strText.length);
	// this will get rid of trailing spaces 
	while (strText.substring(strText.length-1,strText.length) == ' ')
	strText = strText.substring(0, strText.length-1);
	return strText;
}