function get_page() {
	var addr=window.location.href;
	var pagina = addr.split("#");
	var pagina_id = pagina[1];
	if (pagina[1]!=null) {
		var pagina_id2 = pagina_id.split("=");
		if(pagina_id2>=9) pagina_id = "p=0";
	} else {
		pagina_id=0;
	}
	return pagina_id;
}

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 ahah(url, target) {
  if (window.XMLHttpRequest) {
    req = new XMLHttpRequest();
	

    

  } else if (window.ActiveXObject) {
    req = new ActiveXObject("Microsoft.XMLHTTP");

  }
  

  if (req != undefined) {
    req.onreadystatechange = function() {ahahDone(url, target);};
    req.open("GET", url, true);
    req.send("");
  }

}  

function ahahDone(url, target) {
  if (req.readyState == 4) { // only if req is "loaded"
    if (req.status == 200) { // only if "OK"

		

      document.getElementById(target).innerHTML = req.responseText;
    } else {
      document.getElementById(target).innerHTML="Błąd podczas ładowania strony...";
    }
  }
}

function load(name, div,de) {
	ahah(name,div);
	if(de==1) {
		document.getElementById('bodyLeft').style.display='none';
		document.getElementById('kontakt').style.display='none';
	}	else if(de==5) {
		document.getElementById('kontakt').style.display='block';
	} else  {
		document.getElementById('kontakt').style.display='none';
		document.getElementById('bodyLeft').style.display='block';
	} 
	return false;
	
}