function validateOfferID(form){
	if(form.offerid.value.length == 0){
			alert("Va rugam sa introduceti ID-ul anuntului imobiliar cautat...");
			form.offerid.focus();
			return false;
	}
	else{
		if(!isInteger(form.offerid)){
			alert("Va rugam sa introduceti ID-ul anuntului imobiliar cautat in mod corect!");
			form.offerid.focus();
			return false;
		}
	}
	form.submit();
}