function validate_required(field,alerttxt)
{
with (field)
{
  if (value=="NULL")
  {
  alert(alerttxt);return false;
  }
  else
  {
  return true;
  }
}
}

function validate()
{
with (document.form1)
{
if (validate_required(grad,"Molimo izaberite grad.")==false) { document.form1.action=document.URL; }
else if (validate_required(marka,"Molimo izaberite marku vozila.")==false) { document.form1.action=document.URL; }
else if (validate_required(usluga,"Molimo izaberite vrstu usluge.")==false) { document.form1.action=document.URL;}



else
{
document.form1.action="/results/#results";
document.form1.submit();
}	
	
}
}


function resubmit()
{
document.form1.action=document.URL;
document.form1.submit();
}


function page(x)
{
document.form1.action="#results";
document.form1.pagenum.value= x;
document.form1.submit();

}