function checkForm() {

var message = ""
var messageStart = "Please enter the following required fields:          \n\n"

	if (document.Form1.txtName.value == ""){
		message += "\tName\n"
	}

	if (document.Form1.txtPhone.value == ""){
		message += "\tPhone#\n"
	}

	if (document.Form1.txtEmail.value == ""){
		message += "\tEmail Address\n"
	}
	
	if ((document.Form1.chkExt.checked == true)&&(document.Form1.tbNumSeats.value == "")){
		message += "\tNumber of Seats\n"
	}

	if (message != ""){
		alert(messageStart + message);
		return false;
	}


}