function handleEnter (field, event) {
                var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
                if (keyCode == 13) {
                        var i;
                        for (i = 0; i < field.form.elements.length; i++)
                                if (field == field.form.elements[i])
                                        break;
                        i = (i + 1) % field.form.elements.length;
                        field.form.elements[i].focus();
                        return false;
                }
                else
                return true;
        }

function checkform1 ( form , x)
{
  if(x.find(form.codcr.value)==false)
     {
           alert("Codul introdus nu se afla in lista!");
           form.codcr.focus();
           return false ;
     }
  if (form.centru.value=="")
     {
           alert("Introduceti centrul de imbarcare!");
           form.centru.focus();
           return false ;
     }
  if (form.nlansat.value=="")
     {
           alert("Introduceti numarul de porumbei lansati!");
           form.nlansat.focus();
           return false ;
     }
  if (form.distanta.value=="")
     {
           alert("Introduceti distanta parcursa!");
           form.distanta.focus();
           return false ;
     }
  if (form.matricol.value=="")
     {
           alert("Introduceti numarul matricol!");
           form.matricol.focus();
           return false;
     }
  if (form.an.value=="")
     {
           alert("Introduceti anul de nastere al porumbelului!");
           form.an.focus();
           return false ;
     }
  if (form.zi_sosire.value=="")
     {
           alert("Introduceti ziua de sosire!");
           form.zi_sosire.focus();
           return false ;
     }
  if (form.ora_sosire.value=="" || (form.ora_sosire.value*1)<0 || (form.ora_sosire.value*1)>23)
     {
           alert("Introduceti ora de sosire corecta, in intervalul 0-23!");
           form.ora_sosire.focus();
           return false ;
     }
  if (form.min_sosire.value=="" || (form.min_sosire.value*1)<0 || (form.min_sosire.value*1)>59)
     {
           alert("Introduceti minutul sosirii corect, in intervalul 0-59!");
           form.min_sosire.focus();
           return false ;
     }
  if (form.sec_sosire.value=="" || (form.sec_sosire.value*1)<0 || (form.sec_sosire.value*1)>59)
     {
           alert("Introduceti secunda sosirii corect, in intervalul 0-59!");
           form.sec_sosire.focus();
           return false ;
     }





}

function checkform2 ( form )
{
  if (form.format.value=="A3" && form.tiraj.value<500)
     {
           alert("Tirajul minim pentru A3 este de 500 bucati!");
           form.tiraj.focus();
           return false ;
     }
  if (form.format.value=="A4" && form.tiraj.value<1000)
     {
           alert("Tirajul minim pentru A4 este de 1000 bucati!");
           form.tiraj.focus();
           return false ;
     }
  if (form.format.value=="A5" && form.tiraj.value<2000)
     {
           alert("Tirajul minim pentru A5 este de 2000 bucati!");
           form.tiraj.focus();
           return false ;
     }
  if (form.format.value=="A6" && form.tiraj.value<4000)
     {
           alert("Tirajul minim pentru A6 este de 4000 bucati!");
           form.tiraj.focus();
           return false ;
     }
 if (form.hartie.value=="")
    {
           alert("Selecteaza tipul de hartie!");
           form.hartie.focus();
           return false ;

     }
 if (((form.fata.value*1)+(form.spate.value*1))==0)
    {
           alert("Selecteaza numarul de treceri fata/spate!");
           form.fata.focus();
           return false ;

     }

}
Array.prototype.find = function (s)
{
for(var i=0;i<this.length;i++)
if(this[i] == s) return true;
return false;
}
function popUp(URL,x,y,left,top)
{
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width='+ x +',height='+ y +',left ='+ left +',top = '+ top +'');");
}