function verificaFormular(obj){
if (obj.email.value == "")
{
	alert("Nu ati completat adresa de mail !");
			obj.email.focus()
			return false;
}

sir = obj.email.value;
	tmp = sir.indexOf("@", 1);
	if (tmp == -1) {
		alert("Adresa de e-mail incorecta !");
        obj.email.focus()
		return false;
	}
	tmp = sir.indexOf(".", (tmp+2) );
	if (tmp == -1) {
		alert("Adresa de e-mail incorecta !");
        obj.email.focus()
		return false;
	}

	tmp = sir.substr(tmp+1, (sir.length-1-tmp) );
	if (tmp.length<2) {
		alert("Adresa de e-mail incorecta !");
        obj.email.focus()
		return false;
	}
return true
}

<!--
 function setFormAction(formm, cale) {
 formm.action = cale;
 formm.submit();}

function verifica(){
if (verificaFormular(document.inscriere)){
document.inscriere.submit();}
else return false;}
//-->