function checkWholeForm(theForm) {
    var why = "";
    why += checkFirstName(theForm.registrantFirstName.value);
    why += checkLastName(theForm.registrantLastName.value);
    why += checkAddress(theForm.address.value); 
    why += checkCity(theForm.city.value);
    why += checkState(theForm.state.value);
    why += checkCountry(theForm.country.value);
    why += checkZip(theForm.zip.value);
    why += checkEmail(theForm.email.value);
    why += checkPhone(theForm.phone.value);
    why += checkFamilyMembers(theForm.adults.value, theForm.children.value, theForm.babies.value, theForm);
    //  why += checkPassword(theForm.password.value);
    //	why += checkUsername(theForm.username.value);
    //	why += isEmpty(theForm.notempty.value);
    //	why += isDifferent(theForm.different.value);
    //for (i=0, n=theForm.radios.length; i<n; i++) {
    //    if (theForm.radios[i].checked) {
    //        var checkvalue = theForm.radios[i].value;
    //        break;
    //    } 
    //}
    //why += checkRadio(checkvalue);
    //why += checkDropdown(theForm.choose.selectedIndex);
    stripHTML(theForm.elaborate);     // cleanup any HTML tags from the comments field
    if (why != "") {
       alert(why);
       return false;
    }
return true;
}



function checkFamilyMembers (numAdults, numChildren, numBabies, theForm) {
var error = "";
var first;
var last;
for (var i = 1; i <= numAdults; i++) {
	first = eval('theForm.adultFName'+i);
    	last = eval('theForm.adultLName'+i);
	if (first.value.length<1) {
	   error += "Please provide first name of #" + i + " adult or child older than 12 years old.\n";
	}
    	if (last.value.length<1) {
	   error += "Please provide last name of #" + i + " adult or child older than 12 years old.\n";
	}
     }
    for (var i = 1; i <= numChildren; i++) {
	first = eval('theForm.childFName'+i);
    	last = eval('theForm.childLName'+i);
	if (first.value.length<1) {
	   error += "Please provide first name of #" + i + " child between 6 and 12 years old.\n";
	}
    	if (last.value.length<1) {
	   error += "Please provide last name of #" + i + " child between 6 and 12 years old.\n";
	}
     }     

    for (var i = 1; i <= numBabies; i++) {
	first = eval('theForm.babyFName'+i);
    	last = eval('theForm.babyLName'+i);
	if (first.value.length<1) {
	   error += "Please provide first name of #" + i + " child younger than 6 years old.\n";
	}
    	if (last.value.length<1) {
	   error += "Please provide last name of #" + i + " child younger than 6 years old.\n";
	}
     }
	return error;
}

function stripHTML(){
	 var re= /<\S[^><]*>/g
	 for (i=0; i<arguments.length; i++)
	     arguments[i].value=arguments[i].value.replace(re, "")
}


function checkFirstName (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter your first name.\n";
}


    var illegalChars = /\W/; // allow letters, numbers, and underscores
    if ((strng.length < 2) || (strng.length > 20)) {
       error = "Your first name is too short or too long\n";
    }
    else if (illegalChars.test(strng)) {
    error = "Your first name contains illegal characters.. (only letters/numbers/underscores OK)\n";
    } 
return error;
} 


function checkLastName (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter your last name.\n";
}


    var illegalChars = /\W/; // allow letters, numbers, and underscores
    if ((strng.length < 2) || (strng.length > 20)) {
       error = "Your last name is too short or too long\n";
    }
    else if (illegalChars.test(strng)) {
    error = "Your last name contains illegal characters.. (only letters/numbers/underscores OK)\n";
    } 
return error;
} 


function checkAddress (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter your address.\n";
}

    if ((strng.length < 3) || (strng.length > 30)) {
       error = "Your Address is too short or too long\n";
    }
return error;
}


function checkCity (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter your City.\n";
}

    if ((strng.length < 3) || (strng.length > 30)) {
       error = "Your City is too short or too long\n";
    }
return error;
}


function checkState (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter your State.\n";
}

    if ((strng.length < 2) || (strng.length > 20)) {
       error = "Your State is too short or too long\n";
    }
return error;
}


function checkCountry (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter your Country.\n";
}

    if ((strng.length < 2) || (strng.length > 20)) {
       error = "Your Country is too short or too long\n";
    }
return error;
}

function checkZip (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter your Zip code.\n";
}

    if ((strng.length < 2) || (strng.length > 12)) {
       error = "Your Zip code is too short or too long\n";
    }
return error;
}


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)||(stripped.length>20)) {
	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 isEmpty(strng) {
var error = "";
  if (strng.length == 0) {
     error = "The mandatory text area has not been filled in.\n"
  }
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;
}