// BEGIN GENERAL VALIDATE

// Define regular expression objects

// valid ssn nnn-nn-nnnn
var SSN_re = /^(\d{3})[-](\d{2})[-](\d{4})$/;

// valid EIN nn-nnnnnnn
var EIN_re = /^(\d{2})[-](\d{7})$/;

// one or more non-zero digits
var digits_re = /[1-9]+/;

// money
var money_re = /^[1-9]+[.]+([0-9]{2})$/;

// one or more digits
var non_digits_global_re = /\D+/g;

// one or more letters
var letter_re = /^[A-Za-z]+/;

// one or more letters or numbers
var alpha_re = /^[A-Za-z0-9]+/;

// one or more letters or numbers
var non_alpha_re = /\W+/g;

// e-mail (BASIC CHECK)
var reEMAIL = /^[\w\d]+([.\-]+[_\w\d]+)*\@[\w\d]+([.\-]+[\w\d]+)*\.\w{2,4}$/;

var reEMAIL2 = /^[_a-z0-9-]+(\.[_a-z0-9-]+)*=([0-9a-z][0-9a-z-]*[0-9a-z]\.)+[a-z]{2}[mtgvu]?@([0-9a-z][0-9a-z-]*[0-9a-z]\.)+[a-z]{2}[mtgvu]?$/

// PREVENT www. AT BEGINNING OF EMAIL (CASE INSENSITIVE)
var wwwDot_re = /^[Ww]{3}\./;

// Zip code
var reZIP = /^\d{5}([\-\+])*(\d{4})?$/

// Canada Zip code
//var reZIPc = /^\d{6}/
var reZIPc = /^[0-9]+/

// MM/DD/YY
var reSdate = /[0-1]+[0-9]+\/+[0-3]+[0-9]+\/+[0]+[0-9]/

// SSN
var reSSN = /^[0-9]{3}[-]{1}[0-9]{2}[-]{1}[0-9]{4}$/

// HTML Color
var reColor = /^[#]+[0-9a-fA-F]{6}/;

// ENSURE A RADIO BUTTON HAS BEEN SELECTED
function isRadioChecked(sElement, sErrorText){
    if(!sElement){
        alert("This field is undefined. It's errortext is: " + sErrorText);
        return false;
    }
    var oneChecked = false;
    for(var i = 0; i < sElement.length; i++){
    	if(sElement[i].checked){
    		oneChecked = true;
    	}
   	}
	if(!oneChecked){
		sElement[0].focus();
	    alert("Please choose an answer from " + sErrorText + ".");
		return false;
	} else {
	    return true;
	}
}

// Valid HTML Color
function isColor(sElement,error){
    if(!sElement){
        alert("The Color field is undefined.");
        return false;
    }
	var colorVal = sElement.value.search(reColor);
	if(colorVal == -1){
		sElement.focus();
		alert("Please  enter " + error);
		return false;
	}
	return true;
}

// Validate MM-DD-YY Date Format
function isSlashDate(sElement){
    if(!sElement){
        alert("The date field is undefined.");
        return false;
    }
	var dateVal = sElement.value.search(reSdate);
	if(dateVal == -1){
		sElement.focus();
		alert("Please  enter a valid date MM/DD/YY");
		return false;
	}
	return true;
}

// Validate SSN Format
function isSSN(sElement){
    if(!sElement){
        alert("The SSN field is undefined.");
        return false;
    }
	var SSNVal = sElement.value.search(reSSN);
	if(SSNVal == -1){
		sElement.focus();
		alert("Please  enter a valid SSN e.g. 111-11-1111");
		return false;
	}
	return true;
}

// Validate email field
function isMail(sElement){
    if(!sElement){
        alert("The email field is undefined.");
        return false;
    }
	var emailVal = sElement.value.search(reEMAIL);
	if(emailVal == -1){
		sElement.focus();
		alert("Please  enter a valid email address.");
		return false;
	}
//	Add preventing "www." at beginning of email
	var emailWWW = sElement.value.search(wwwDot_re);
	if(emailWWW != -1){
		sElement.focus();
		alert("An email address cannot begin with 'www.'");
		return false;
	}
	return true;
}

// Validate email verify field
function isMailVerify(sElement){
    if(!sElement){
        alert("The email verify field is undefined.");
        return false;
    }
	var emailVal = sElement.value.search(reEMAIL);
	if(emailVal == -1){
		sElement.focus();
		alert("Please  verify your email address.");
		return false;
	}
	return true;
}

function isLetter(sElement, sErrorText){
    if(!sElement){
        alert("This field is undefined. It's errortext is: " + sErrorText);
        return false;
    }
    var ltrVal = sElement.value.search(letter_re);
	if(ltrVal == -1){
		sElement.focus();
		if(arguments.length > 1){
		    alert("Please  enter " + sErrorText + ".");
		}
		return false;
	} else {
	    return true;
	}
}

function isMoney(sElement, sErrorText){
    if(!sElement){
        alert("This field is undefined. It's errortext is: " + sErrorText);
        return false;
    }
    var MnyVal = sElement.value.search(money_re);
	if(MnyVal == -1){
		sElement.focus();
		if(arguments.length > 1){
		    alert("Please  enter " + sErrorText + ".");
		}
		return false;
	} else {
	    return true;
	}
}

function isDigit(sElement, sErrorText){
    if(!sElement){
        alert("This field is undefined. It's errortext is: " + sErrorText);
        return false;
    }
    var DgtVal = sElement.value.search(digits_re);
	if(DgtVal == -1){
		sElement.focus();
		if(arguments.length > 1){
		    alert("Please  enter " + sErrorText + ".");
		}
		return false;
	} else {
	    return true;
	}
}

function isAlpha(sElement, sErrorText){
    if(!sElement){
        alert("This field is undefined. It's errortext is: " + sErrorText);
        return false;
    }
    var ltrVal = sElement.value.search(alpha_re);
	if(ltrVal == -1){
		sElement.focus();
		if(arguments.length > 1){
		    alert("Please  enter " + sErrorText + ".");
		}
	} else {
	    return true;
	}
}

function isPhone(sAreaCode, sPrefix, sSuffix, sPhoneOut, ErrorText){

    if((!isDigit(sAreaCode)) || (sAreaCode.value.length < 3)){
		alert("Please  enter " + ErrorText +".");
        sAreaCode.focus();
		return false;
    }
    if((!isDigit(sPrefix, ErrorText)) || (sPrefix.value.length < 3)){
		alert("Please  enter " + ErrorText +".");
        sPrefix.focus();
		return false;
	}
    if((!isDigit(sSuffix, ErrorText)) || (sSuffix.value.length < 4)){
		alert("Please  enter " + ErrorText +".");
        sSuffix.focus();
		return false;
	}
    sPhoneOut.value = "(" + sAreaCode.value + ") " + sPrefix.value + "-" + sSuffix.value;
    return true;
}

function isZipCode(sElement, ErrorText){
    var zipVal = sElement.value.search(reZIP);
	if(zipVal == -1){
		// IF FAILS, CHECK IF IT'S CANADIAN
		//zipVal = sElement.value.search(reZIPc);
	}
	if(zipVal == -1){
//    if((sElement.length < 5) || !(isDigit(sElement, ErrorText))){
        sElement.focus();
		alert("Please  enter " + ErrorText +".");
		return false;
	} else {
	    return true;
	}
}

function isSelected(sElement, sDefault ,sErrorText){
    if(!sElement){
        alert("This field is undefined. It's errortext is: " + sErrorText);
        return false;
    }
	if(sElement.options[sElement.selectedIndex].value == sDefault){
		sElement.focus();
		alert("Please  enter " + sErrorText + ".");
		return false;
	}
	return true;
}

function isPassword(sElement1, sElement2){
    var pwdVal1 = sElement1.value.search(alpha_re);
    var pwdValNonChar1 = sElement1.value.search(non_alpha_re);
	if((pwdVal1 == -1) || (pwdValNonChar1 != -1) || (sElement1.value.length < 5) || (sElement1.value.length > 20)){
		sElement1.focus();
	    alert("Please enter a password that is 5 to 20 characters long.\nYou may use any combination of letters or numbers, but \ndo not enter spaces or other characters.");
	    return false;
	}
	if(arguments.length > 1){ // IF USING THIS FUNCTION TO COMPARE NEW PASSWORD RE-ENTRY
        var pwdVal2 = sElement2.value.search(alpha_re);
        var pwdValNonChar2 = sElement2.value.search(non_alpha_re);
        if((pwdVal2 == -1) || (pwdValNonChar2 != -1) || (sElement2.value.length < 5) || (sElement2.value.length > 20) || (sElement1.value != sElement2.value)){
        	sElement2.focus();
            alert("Your password re-entry does not match your password.");
            return false;
    	}
    }
    return true;
}

function isStrPhone(sElement){
    var phone_re = /^\([0-9]{3}\W+[0-9]{3}\-[0-9]{4}\b/;
    if(!sElement){
        alert("This field is undefined. It's errortext is: " + sErrorText);
        return false;
    }
    var PhoneVal = sElement.value.search(phone_re);
	if(sElement.value == ""){
		sElement.focus();
	    alert("Please enter a valid phone number.\nFormat: (111) 111-1111\n");
	    return false;
	}
	if(PhoneVal == -1){
		sElement.focus();
	    alert("Please enter a valid phone number.\n" + sElement.value + " is an invalid entry.\nThe valid format is: (111) 111-1111");
	} else {
	    return true;
	}
}

function miUp(sElement){
    if(sElement){
        sElement.value = sElement.value.toUpperCase();
    }
    return true;
}
// END GENERAL VALIDATE