function checkcontact(f) {

	 	if(f.contact_fullname.value == "") {
			alert('Please enter Full Name');
			f.contact_fullname.focus();
			return false;
		}

	 	if(f.contact_businessname.value == "") {
			alert('Please Enter Business Name');
			f.contact_businessname.focus();
			return false;
		}

	 	if(f.contact_phone.value == "") {
			alert('Please Enter Phone Number');
			f.contact_phone.focus();
			return false;
		}
 
	 	if(f.contact_email.value == "") {
			alert('Please enter Email');
			f.contact_email.focus();
			return false;
		}

		return true;
}