function checkWholeForm(rfq) {
    var why = "";
    why += checkemail(rfq.email.value);
    why += isEmpty1(rfq.customername.value);
    why += isEmpty2(rfq.customercontact.value);
    why += isEmpty3(rfq.phone1.value);
    why += isEmpty4(rfq.phone3.value);     
    if (why != "") {
       alert(why);
       return false;
    }
return true;
}

// customer name

function isEmpty1(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Please provide your name.\n"
  }
return error;     
}

// customer contact name

function isEmpty2(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Please provide a customer contact name.\n"
  }
return error;     
}

// phone number - area code

function isEmpty3(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Please provide area code.\n"
  }
return error;     
}

// phone number - box2

function isEmpty4(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Please provide a phone number.\n"
  }
return error;     
}

// email check

function checkemail (strng) {
var error="";
if (strng == "") {
   error = "Please enter a email address.\n";
}

    var emailFilter=/^.+@.+\..{2,3}$/;
    if (!(emailFilter.test(strng))) { 
       error = "Please enter a valid email address.\n";
    }
    else {
//test email for illegal characters
       var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
         if (strng.match(illegalChars)) {
          error = "This is not a true email address.\n";
       }
    }
return error;    
}