function checkWholeForm(contact) {
    var why = "";
    why += checkemail(contact.email.value);
    why += isEmpty1(contact.fname.value);
    why += isEmpty2(contact.lname.value);    
    why += isEmpty3(contact.address1.value);
    why += isEmpty4(contact.telephone.value);
    if (why != "") {
       alert(why);
       return false;
    }
return true;
}

// first name check

function isEmpty1(strng) {
var error = "";
  if (strng.length == 0) {
     error = "You did not enter your first name.\n"
  }
return error;     
}

// last name check

function isEmpty2(strng) {
var error = "";
  if (strng.length == 0) {
     error = "You did not enter your last name.\n"
  }
return error;     
}

// address check

function isEmpty3(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Please enter your address\n"
  }
return error;     
}

// telephone check

function isEmpty4(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Please provide your telephone 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;    
}