function showHide(id)  

{ 

 var style = document.getElementById(id).style;

 if (style.display== "none")  

  style.display = "inline";  

 else  

  style.display = "none";  

}



function showHide_pryw(co)  

{ 



 var style_prywatna_imie = document.getElementById('prywatna_imie').style;
 
 var style_prywatna_nazwisko = document.getElementById('prywatna_nazwisko').style;

 var style_firma_nazwa = document.getElementById('firma_nazwa').style;
 
 var style_firma_nip = document.getElementById('firma_nip').style;

  

  if (co== "prywatna")  {

  style_prywatna_imie.display = "table-row"; 
  
  style_prywatna_nazwisko.display = "table-row"; 

  style_firma_nazwa.display = "none";
  
  style_firma_nip.display = "none";

  }

  

  if (co== "firma")  {

  style_prywatna_imie.display = "none"; 
  
  style_prywatna_nazwisko.display = "none"; 

  style_firma_nazwa.display = "table-row";
  
  style_firma_nip.display = "table-row";

  }

}



function resetuj_selekcje()

{

 alert("test");

document.getElementById("oferta_select4").selectedIndex = 0;

}


function ajaxRequest(){
 var activexmodes=["Msxml2.XMLHTTP", "Microsoft.XMLHTTP"] //activeX versions to check for in IE
 if (window.ActiveXObject){ //Test for support for ActiveXObject in IE first (as XMLHttpRequest in IE7 is broken)
  for (var i=0; i<activexmodes.length; i++){
   try{
    return new ActiveXObject(activexmodes[i])
   }
   catch(e){
    //suppress error
   }
  }
 }
 else if (window.XMLHttpRequest) // if Mozilla, Safari etc
  return new XMLHttpRequest()
 else
  return false
}