function el(element) {
		if (typeof(element) == 'string') element = document.getElementById(element);
		return element;
	}
	
	function mainSondajSubmit() {
		if(el("sondajSelected").value=="") {
			alert("Selectati o optiune!");
			return false;
		}
		el("mainSondajForm").submit();
	}
	
	function mainSearchSubmit() {
		var el = el("mainSearch");
		var v = el.value.replace(/^\s+|\s+$/g,"");
		if(v == "") {		
			alert('Introduceti cuvantul cautat');
			el.focus();
			return false;
		}
		return true;
	}

	function mainNewsletterSubmit() {
		var elem = el("mainNewsletter");
		
		if(elem.value=="") {
			elem.value = " ";
			alert('Introduceti adresa de email');
			elem.value = "";
			elem.focus();
			return false;
		}
		
		var emailRegExp = /^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$/i;		
		if(!emailRegExp.test(el.value)) {
			alert('Adresa de email introdusa nu este valida');
			elem.focus();
			return false;
		}
		
		return true;
	}