function validate_form(what){

	valid = true;

	message = "One of more of the required fields are empty:"

	

	if (document.form1.input1.checked == false &&

	    document.form1.input2.checked == false &&

	    document.form1.input3.checked == false){

		message += "\n - Products";

		valid = false;

	}

	

	

	if ( document.form1.name.value == "" ){

		message += "\n - Name";

		valid = false;

	}

	if ( document.form1.email.value == "" ){

		message += "\n - Email";

		valid = false;

	}

	if ( document.form1.phone.value == "" ){

		message += "\n - Phone";

		valid = false;

	}

	if ( document.form1.comments.value == "" ){

		message += "\n - Comments";

		valid = false;

	}



		

	if(valid == true){

		document.form1.submit();

	}else{

		alert(message);

	}

}