//RegExp for e-mail address validation
	re1 = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})$/;

    //RegExp for simple address validation - no PO Box addresses
    re4 = /^.*[Pp]{1}[\. ]*[Oo]{1}[\. ]*[Bb]{1}[Oo]{1}[Xx]{1}.*$/;

    //RegExp for zip codes
    re2 = /^\d{5}$/;

    //RegExp for names
    re3 = /^[a-zA-Z].*$/;

    //RegExp for phone numbers (currently not in use)
    //re3 = /^\(?\d{3}([-\. /]|(\)|\) ))?\d{3}[-\. ]?\d{4}$/;


    function IsNumeric(val)
    {
    	//Uses a Regular Expression to determine if a string represents a numeric value

    	reNum = /^\d+[\.]?\d*$/;

        if (reNum.test(val))
        	return true;
        else
    		return false;
    }

    function isAccountFormValid(accountForm)
    {
        if(accountForm.txtFName.value == "" ||!re3.test(accountForm.txtFName.value))
        {
        	alert("Please provide your First Name.");
            accountForm.txtFName.focus();
            return false;
        }
        if(accountForm.txtLName.value == "" || !re3.test(accountForm.txtLName.value))
        {
        	alert("Please provide your Last Name.");
            accountForm.txtLName.focus();
            return false;
        }
    	//Validation for the form during the checkout process
        if(accountForm.txtEMail.value == "" || !re1.test(accountForm.txtEMail.value))
        {
        	alert("Please provide a valid e-mail address.");
            accountForm.txtEMail.focus();
            return false;
        }
        if(accountForm.txtAddress1.value == "")
        {
        	alert("Please provide your Street Address.");
            accountForm.txtAddress1.focus();
            return false;
        }
        if(accountForm.txtCity.value == "")
        {
        	alert("Please provide the name of your City.");
            accountForm.txtCity.focus();
            return false;
        }
        if(accountForm.selState.value == "--")
        {
        	alert("Please select a State.");
            accountForm.selState.focus();
            return false;
        }
        if(accountForm.txtZip.value == "" || !re2.test(accountForm.txtZip.value))
        {
        	alert("Please enter a valid Zip Code.");
            accountForm.txtZip.focus();
            return false;
        }
		if(accountForm.txtPassword.value.length < 6)
		{
			alert("Please enter a password. It must be 6 - 16 characters long.");
			accountForm.txtPassword.focus();
			return false;
		}
		if(accountForm.txtPassword.value != accountForm.txtPassword2.value)
		{
			alert("Passwords do not match. Please re-enter and confirm your entries.");
			accountForm.txtPassword.focus();
			return false;
		}
        //If all checks pass, the form is valid
        return true;
    }