/**
* Basic function that checks to see if the form field passed it has a value or not.
*
* @author	armando colpa
* @param	object	obj	The form field object
* @return	true|false	The form field's value was either not set or had a value
* @version	1.1
* @history	1.1	Now if user just enters blanks in a field, the function determines that it's empty
* 		1.0	Initial version
*
*/
function isEmpty(obj) {  
     reJustBlanks = /^\s+$/;		// In case the user has nothing but blanks
     if ( (obj.value.length == 0) || (obj.value==null) || reJustBlanks.test(obj.value) ) return true;
     return false;
};