function popup(url,popupName,settings) {
	MyNewWindow=window.open(url,popupName,settings);
	MyNewWindow.focus();
}
function validate() {
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if(reg.test($F('inputEmail')) == false) {
		return '<img src="images/invalid.gif" alt="Email invalide" />';
	} else {
		return '<img src="images/valid.png" alt="Email valide" />';
	}
}