function validateFormOnSubmit(theForm) {
var reason = "";

  reason += validateEmail(theForm.email);
  reason += validateEmpty(theForm.name);
      
  if (reason != "") {
    alert(reason);
    return false;
  }
  
	createCookie('signed_up', 'true', 1);
	
  return true;
}

function validatePhone(fld) {
    var error = "";
    var stripped = fld.value.replace(/[\(\)\.\-\ ]/g, '');    

   if (fld.value == "" || fld.value == "555-555-1234") {
        error = "You didn't enter a phone number.\n";
        fld.style.background = '#0099CC';
    } else if (isNaN(parseInt(stripped))) {
        error = "The phone number contains illegal characters.\n";
        fld.style.background = '#0099CC';
    } else if (!(stripped.length == 10)) {
        error = "The phone number is the wrong length.\n";
        fld.style.background = '#0099CC';
    }  else {
        fld.style.background = 'White';
    }

    return error;
}

function trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
}

function validateEmail(fld) {
    var error="";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
   
    if (fld.value == "" || fld.value == "Enter Email") {
        fld.style.background = '#0099CC';
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = '#0099CC';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = '#0099CC';
        error = "The email address contains illegal characters.\n";
    } else {
        
    }
    return error;
}

function validateEmpty(fld) {
    var error = "";
 		
    if (fld.value.length == 0) {
        fld.style.background = '#0099CC'; 
        error = "You didn't enter a name.\n";
    } 
    else if(fld.value == "Enter Name") {
    	fld.style.background = '#0099CC'; 
        error = "You didn't enter a name.\n";
    }
    
    else {
        
    }
    return error;  
}