function validateForm(form) { 
	if (form.sender_name.value == "") { 
	   alert("The \"name\" field is empty."); 
	   form.sender_name.focus( ); 
	   return false; 
	   }
	
	if (form.che_quote.value == "") { 
	   alert("The \"quote\" field is empty."); 
	   form.che_quote.focus( ); 
	   return false; 
	   }
	
	if (form.che_quote_source.value == "") { 
	   alert("The \"document source\" field is empty."); 
	   form.che_quote_source.focus( ); 
	   return false; 
	   }
}