// Functia validare
function validateForm(field, alerttext){
  with(field){
	if(value == null|| value == ""){
		alert(alerttext);return false;
	}else{
		return true;
	}
  }
}
function valideaza(thisform){
	with(thisform){
		if(validateForm(plata, "Va rugam sa alegeti modalitatea de plata.") == false){
		  plata.focus();return false;
		 }
	}
}