function contact(form) {
	
	if( form.txName.value == "" ) {
		alert("Name is a compulsory field");
		form.txName.focus();
		return false;
	}
	else if( form.txTel.value == "" ) {
		alert("Telephone is a compulsory field");
		form.txTel.focus();
		return false;
	}
	else if ( !(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form.txEmail.value)) ) {
		alert("Email is a compulsory field");
		form.txEmail.focus();
		return false;
	}
	
	return true;
}