// JavaScript Document
function checkFields (form) {
	if (form.txtName.value == "") {
		alert( "Please enter your name." );
		form.txtName.focus();
		return false ;  
	 } 
	 else if (form.txtPhone.value == "")  {
	 	if (form.txtEmail.value == "") {
			alert( "Please enter a phone number or email address." );
			form.txtPhone.focus();
			return false ;  
			}
		else {
			return true;
	 	}
	 } 
}