/**
 * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function ValidateForm(){
	var Phone=document.frmSample.txtPhone
	
	if ((Phone.value==null)||(Phone.value=="")){
		alert("Please Enter your Phone Number")
		Phone.focus()
		return false
	}
	if (checkInternationalPhone(Phone.value)==false){
		alert("Please Enter a Valid Phone Number")
		Phone.value=""
		Phone.focus()
		return false
	}
	return true
 }
/* END SMARTYWEB CODE */

function checkAdd() {
	var err = 0;
	var err_txt = "";
	var msg_txt = "";
	var intro_msg = "\n\rThe following information is required: ";

	if (document.regForm.first_name.value == "" ) {
		err++;
		msg_txt += "\n\r\tFirst name";
	}
	
	if (document.regForm.last_name.value == "" ) {
		err++;
		msg_txt += "\n\r\tLast name";
	}

	if (document.regForm.interested[0].checked == false && document.regForm.interested[1].checked == false) {
		err++;
		msg_txt += "\n\r\tInterest";
	}

	if (document.regForm.license[0].checked == false && document.regForm.license[1].checked == false && document.regForm.license[2].checked == false && document.regForm.license[3].checked == false) {
		err++;
		msg_txt += "\n\r\tLicense";
	}

	if (document.regForm.specialty.value == "" ) {
		err++;
		msg_txt += "\n\r\tSpecialty";
	}

	if (document.regForm.experience.value == "" ) {
		err++;
		msg_txt += "\n\r\tExperience";
	}

	if (document.regForm.email.value == "" ) {
		err++;
		msg_txt += "\n\r\tEmail address";
	}

	if (document.regForm.phone.value == "" ) {
		err++;
		msg_txt += "\n\r\tPhone";
	} else if (checkInternationalPhone(document.regForm.phone.value)==false){
		err++;
		msg_txt += "\n\r\tValid phone number format is required. Please include area code.";
	}
	
	if (document.regForm.alt_phone.value == "" ) {
		err++;
		msg_txt += "\n\r\tAlternate phone";
	} else if (checkInternationalPhone(document.regForm.alt_phone.value)==false){
		err++;
		msg_txt += "\n\r\tValid alternate phone number format is required. Please include area code.";
	}

	if (document.regForm.address1.value == "" ) {
		err++;
		msg_txt += "\n\r\tAddress";
	}

	if (document.regForm.city.value == "" ) {
		err++;
		msg_txt += "\n\r\tCity";
	}

	if (document.regForm.state.value == "" ) {
		err++;
		msg_txt += "\n\r\tState";
	}

	if (document.regForm.zip.value == "" ) {
		err++;
		msg_txt += "\n\r\tPostal/Zip code";
     }

	if (document.regForm.time_zone[0].checked == false && document.regForm.time_zone[1].checked == false && document.regForm.time_zone[2].checked == false && document.regForm.time_zone[3].checked == false) {
		err++;
		msg_txt += "\n\r\tTime zone";
	}

	if (document.regForm.best_time.value == "" ) {
		err++;
		msg_txt += "\n\r\tBest time to call";
	}

	if (document.regForm.comments.value == "" ) {
		err++;
		msg_txt += "\n\r\tComments";
	}

	if (err > 0) {
		if (msg_txt != "") {
			err_txt = intro_msg+msg_txt+"\n\r"+err_txt;
		}
		alert(err_txt);
		return false;
	}  else {
		return true;
	}
}