//------------------------------------------------
//		FORM VALIDATION FUNCTIONS
//------------------------------------------------

function trim(sString) {

	while (sString.substring(0,1) == ' ')
		{
		sString = sString.substring(1, sString.length);
		}
	while (sString.substring(sString.length-1, sString.length) == ' ')
		{
		sString = sString.substring(0,sString.length-1);
		}
	return sString;
}

function empty_field(val) {

    if(trim(val) == ""){return false;}
	return true;
}

function check_email(value) {		// v. 0.1

	var x = value;
	//var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})$/;
	if (filter.test(x)) return true;
	else return false;
}

function check_contact_form() {                                                // verificare date formular CONTACT

     if (empty_field(document.contact.name.value) == false) {
     		alert("Va rugam sa completati campul 'Nume' !");
        	return false;
    	}
     if (empty_field(document.contact.email.value) == true && check_email(document.contact.email.value) == false) {
     		alert("Adresa de email nu este valida!");
        	return false;
    	}
     if (empty_field(document.contact.msg.value) == false) {
     		alert("Va rugam sa completati campul 'Mesaj' !");
        	return false;
    	}
	document.contact.submit();
	//return true;
}