function validate() {
	if (document.form.txtName.value.length < 1) {
		alert("You did not enter your name.");
		document.form.txtName.focus();
		return false;
		}
    if (document.form.txtEmail.value.length < 1) {
		alert("You did not enter your e-mail address.");
		document.form.txtEmail.focus();
		return false;
		}
	if (document.form.txtLocation.value.length < 1) {
		alert("You did not enter your location.");
		document.form.txtLocation.focus();
		return false;
		}
	if (document.form.txtNumComps.value.length < 1) {
		alert("You did not enter the number of computers to be connected to the webcast.");
		document.form.txtNumComps.focus();
		return false;
		}
	return (emailCheck(document.form.txtEmail.value));
}