//onsubmit="return checkWholeForm(download);" - Place into form

function checkWholeForm(download) {
    var why = "";
    why += checkemail(download.email.value);
    why += isEmpty1(download.name.value);
    why += isEmpty2(download.pcid.value);    
    if (why != "") {
       alert(why);
       return false;
    }
return true;
}

// Name Check

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

// Passcode Check

function isEmpty2(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Please provide us with your passcode.\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;    
}