function checkInput(theForm) {
	if ((theForm.email.value==0) && (theForm.email.value.length<=0)) {
		alert("E-mail missing !");
		theForm.email.focus();
		return false
		}

	if ((theForm.email.value.indexOf("@")==-1)) {
		alert("E-mail incorrect !");
		theForm.email.focus();
		return false
		}

}