function checkvalue(form) {
 
 var printerror="The following item(s) must be filled in";
 if(form.Name.value == "") printerror = printerror + "\nName";
 if(form.Phone.value == "") printerror = printerror + "\nPhone";
 if(form.senderemail.value == "") printerror = printerror + "\nE-Mail";
  
 if((form.Name.value != "") && (form.Phone.value != "") && (form.senderemail.value != ""))
   form.submit();
  else
 alert(printerror);
 } //END FUNCTION