function reseteaza_tduri(nr_tduri, td_curent)
{

	for (i = 1; i <= nr_tduri; i++) {
      if(i == td_curent) {

    	document.getElementById('td_'+i).style.display='block';
      }
      else if(document.getElementById('td_'+i) != null)  {

        document.getElementById('td_'+i).style.display='none';
      }
    }

    //document.getElementById('td_'+td_curent).style.display='block';


}



///--------------////

function IsNumeric(sText){

   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;

   for (i = 0; i < sText.length && IsNumber == true; i++) {
      Char = sText.charAt(i);
      if (ValidChars.indexOf(Char) == -1){
         IsNumber = false;
      }
   }
   return IsNumber;

}

function validisnumeric(str, element) {

  if(IsNumeric(str) == false) {
    document.getElementById(element).value = str.substr(0,str.length-1);
    return false;
  }
  return true;
}

function echeck(str) {
  var at="@"
  var dot="."
  var lat=str.indexOf(at)
  var lstr=str.length
  var ldot=str.indexOf(dot)
  if (str.indexOf(at)==-1){
     alert("Adresa de email incorecta")
     return false
  }
  if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
     alert("Adresa de email incorecta")
     return false
  }
  if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
      alert("Adresa de email incorecta")
      return false
  }
   if (str.indexOf(at,(lat+1))!=-1){
      alert("Adresa de email incorecta")
      return false
   }
   if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
      alert("Adresa de email incorecta")
      return false
   }
   if (str.indexOf(dot,(lat+2))==-1){
      alert("Adresa de email incorecta")
      return false
   }
   if (str.indexOf(" ")!=-1){
      alert("Adresa de email incorecta")
      return false
   }
   return true
}

function verifica_cantitate() {
   
	if(document.getElementById('anunt_cantitate').value > 1) {	   
     	document.getElementById('id_pret_pornire').style.display='none';        

    }

    else {
        document.getElementById('id_pret_pornire').style.display='';
        //document.getElementById('id_pret_minim').style.display='';

    }

}

function stare_categorii_magazin() {
   
	if(document.getElementById('anunt_cantitate').value > 1) {
     	document.getElementById('container_categorii_magazin').style.display='block';        
    }

    else {
        document.getElementById('container_categorii_magazin').style.display='none'; 
    }

}


function validare_new_user() {


        if (echeck(document.getElementById('user_email').value) == false) {
                document.getElementById('user_email').focus();
                document.getElementById('user_email').value='';
                return false;
        }

        if (document.getElementById('user_username').value.length < 6) {
                alert('Username trebuie sa aibe cel putin 6 caractere');
                document.getElementById('user_username').focus();
                return false;
        }

         if (document.getElementById('user_password').value.length < 6) {
                alert('Parola trebuie sa aibe cel putin 6 caractere');
                document.getElementById('user_password').focus();
                return false;
        }

        if (document.getElementById('user_password').value != document.getElementById('user_password2').value) {
                alert('Parolele nu corespund ');
                document.getElementById('user_password2').focus();
                return false;
        }

        if (document.getElementById('termeni').checked == false) {
               alert("Trebuie sa accepti termenii si conditiile");
                return false;
        }

    return true;
}

function valideaza_form_comentariu() {

        if (document.getElementById('comment_title').value == '') {
                alert('N-ati completat titlul');
                document.getElementById('comment_title').focus();
                return false;
        }

        if (document.getElementById('comment_name').value.length < 3) {
                alert('N-ati completat numele');
                document.getElementById('comment_name').focus();
                return false;
        }

        if (echeck(document.getElementById('comment_email').value)==false){
    	    document.getElementById('comment_email').value="";
	        document.getElementById('comment_email').focus();
	        return false;
  		}

         if (document.getElementById('comment_message').value.length < 5 ) {
                alert('Introduceti un mesaj');
                document.getElementById('comment_message').focus();
                return false;
        }

    return true;
}

/////////////////////////

function valideaza_form_trimite_prieten() {

        if (document.getElementById('nume').value == '') {
                alert('N-ai completat numele');
                document.getElementById('nume').focus();
                return false;
        }


        if (echeck(document.getElementById('email').value)==false){
    	    document.getElementById('email').value="";
	        document.getElementById('email').focus();
	        return false;
  		}

        if (echeck(document.getElementById('email_prieten').value)==false){
    	    document.getElementById('email_prieten').value="";
	        document.getElementById('email_prieten').focus();
	        return false;
  		}

    return true;
}