function checkAddCustomerForm(){
	with (window.document.frmSignUp) {
		if (isEmpty(txtusername, 'Enter user name')) {
			return;
		} 
		else if (isEmpty(txtpass1, 'Enter password')) {
			return;
		} 
		else if (isEmpty(txtpass2, 'Enter password')) {
			return;
		} 
		else if ((txtpass1.value != '') && (txtpass2.value != '') && (txtpass1.value != txtpass2.value)) {
			alert("The Passwords you have provided do not match, please retry");	
			return;
		} 
		else if (isEmpty(txtfirstname, 'Please enter your first name')) {
			return;
		} 
		else if (isEmpty(txtlastname, 'Please enter your last name')) {
			return;
		} 
		else if (isEmpty(txtemail, 'Please enter your e-mail address')) {
			return;
		} 
		else if (isEmpty(txtphone, 'Please enter your phone number')) {
			return;
		} 
		else if (isEmpty(txtaddress1, 'Please enter your address')) {
			return;
		} 
		else if (isEmpty(txtcity, 'Please enter your city')) {
			return;
		} 
		else if (isEmpty(txtcountry, 'Please enter your country')) {
			return;
		} 
		else if (isEmpty(txtpostal, 'Please enter your postal code')) {
			return;
		} 
		else {
			submit();
		}
	}
}