function checkForm(){
// Error message
	var oFirstErrorField
	var sMsg = "You are missing the following required field(s):\r"
	var isFormValid = true
	
	
	// Validate email
	if (document.ProductUpdates.Email.value.length < 1){
		sMsg = sMsg + " - Your Email\r"
		if (isFormValid){
			oFirstErrorField = document.ProductUpdates.Email
			isFormValid = false
		}
	
	// If there are any errors, display message, set focus on the first
	// field containing errors, and cancel form submission
	if (isFormValid == false){
		alert(sMsg)
		oFirstErrorField.focus()
		return false
	}

}
}