function noBlanks(form) 
{ 
  var formEls=form.elements; 
  var valid=true; 
  var currEl; 
  var msg="Sorry!  All fields are required before you can submit the form."; 
  for(var i=0;i<formEls.length;i++) 
  { 
    currEl=formEls[i]; 
    if(currEl.type=="text" || currEl.type=="textarea") 
    { 
      if(currEl.value=="") 
      { 
        alert(msg); 
        formEls[i].focus(); 
        valid=false; 
        break; 
     } 
    } 
  } 

  return valid 
}