function validateContact(r) {
		// var r = document.patient_add.Grading6MonthsYes;
		//var RMetanexus = new getObj('metanexus');
		//var RGlobalspiral = new getObj('globalspiral');
		//var RConference = new getObj('conference');
		//var RGlobalnetwork = new getObj('globalnetwork');
		if  ((document.getElementById('Metanexus').checked)  ||  (document.getElementById('Globalspiral').checked)  ||  (document.getElementById('Conference').checked)  ||  (document.getElementById('Globalnetwork').checked))
    		{
				return true;   
 	        }
		else
 	    {
    		  alert('Please select a contact');
    		   return false;			

 	    }
}