function checkWholeFeedbackForm() {
	/*alert("what up"+document.form.email.value);*/
    var why = "";
	why += isFeedbackEmpty(document.form.first.value,"first");
	why += isFeedbackEmpty(document.form.last.value,"last");
	why += checkEmail(document.form.email.value);
	why += isFeedbackEmpty(document.form.address1.value,"address1");
	
	why += isFeedbackEmpty(document.form.city.value,"city");
	why += isFeedbackEmpty(document.form.state.value,"state");
	why += isFeedbackEmpty(document.form.zip.value,"zip");
	why += isFeedbackEmpty(document.form.shirtsize.value,"shirtsize");
	why += isFeedbackEmpty(document.form.a.value,"a");
	why += isFeedbackEmpty(document.form.b.value,"b");
	why += isFeedbackEmpty(document.form.c.value,"c");
	why += isFeedbackEmpty(document.form.d.value,"d");
	why += isFeedbackEmpty(document.form.e.value,"e");
    if (why != "") {
       alert(why);
       return false;
    }
return true;
}



// email
			
function checkEmail (strng) {
var error="";
if (strng == "") {
   error = "You didn't enter an 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 = "The email address contains illegal characters.\n";
       }
    }
return error;    
}


// phone number - strip out delimiters and check for 10 digits

function checkPhone (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a phone number.\n";
}

var stripped = strng.replace(/[\(\)\.\-\ ]/g, ''); //strip out acceptable non-numeric characters
    if (isNaN(parseInt(stripped))) {
       error = "The phone number contains illegal characters.";
  
    }
    if (!(stripped.length == 10)) {
	error = "The phone number is the wrong length. Make sure you included an area code.\n";
    } 
return error;
}


// password - between 6-8 chars, uppercase, lowercase, and numeral

function checkPassword (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a password.\n";
}

    var illegalChars = /[\W_]/; // allow only letters and numbers
    
    if ((strng.length < 6) || (strng.length > 8)) {
       error = "The password is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
      error = "The password contains illegal characters.\n";
    } 
    else if (!((strng.search(/(a-z)+/)) && (strng.search(/(A-Z)+/)) && (strng.search(/(0-9)+/)))) {
       error = "The password must contain at least one uppercase letter, one lowercase letter, and one numeral.\n";
    }  
return error;    
}    


// username - 4-10 chars, uc, lc, and underscore only.

function checkUsername (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a username.\n";
}


    var illegalChars = /\W/; // allow letters, numbers, and underscores
    if ((strng.length < 4) || (strng.length > 10)) {
       error = "The username is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
    error = "The username contains illegal characters.\n";
    } 
return error;
}       


// non-empty textbox

function isFeedbackEmpty(strng,whichStr) {
   	var error = "";
  	if (strng.length == 0) {
	  switch(whichStr){
		case "first":
		error = "The first name text area has not been filled in.\n";
		break;
		case "last":
		error = "The last name text area has not been filled in.\n";
		break;
		case "address1":
		error = "The address line 1 text area has not been filled in.\n";
		break;
		case "address2":
		error = "The address line 2 text area has not been filled in.\n";
		break;
		case "city":
		error = "The city text area has not been filled in.\n";
		break;
		case "state":
		error = "The state text area has not been filled in.\n";
		break;
		case "zip":
		error = "The zip text area has not been filled in.\n";
		break;
		case "shirtsize":
		error = "The shirt size text area has not been filled in.\n";
		break;
		case "a":
		error = "Question A text area has not been filled in.\n";
		break;
		case "b":
		error = "Question B text area has not been filled in.\n";
		break;
		case "c":
		error = "Question C text area has not been filled in.\n";
		break;
		case "d":
		error = "Question D text area has not been filled in.\n";
		break;
		case "e":
		error = "Question E text area has not been filled in.\n";
		break;
		}
 	 }
return error;	  
}

// was textbox altered

function isDifferent(strng) {
var error = ""; 
  if (strng != "Can\'t touch this!") {
     error = "You altered the inviolate text area.\n";
  }
return error;
}

// exactly one radio button is chosen

function checkRadio(checkvalue) {
var error = "";
   if (!(checkvalue)) {
       error = "Please check a radio button.\n";
    }
return error;
}

// valid selector from dropdown list

function checkDropdown(choice) {
var error = "";
    if (choice == 0) {
    error = "You didn't choose an option from the drop-down list.\n";
    }    
return error;
}