/* AJAX RELATED FUNCTIONS */

var xmlHttp = GetXmlHttpObject();
var elem;
function ajax_function( url , element )
{
if( xmlHttp==null )
  {
  alert("Your browser does not support AJAX!");
  return;
  }
elem = element;
//xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open( "GET" , url , true );
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.send( null );
}

function stateChanged()
{
var table_const = document.getElementById( "table_const" );
if ( xmlHttp.readyState == 4 )
	{
	document.getElementById( elem ).innerHTML = xmlHttp.responseText;
	if( table_const )
		{
	//	table_const.style.cursor = 'default';
		}
	}
else {
	document.getElementById( elem ).innerHTML = "<center><img src='slike/loading.gif'><br></center>";

	if( table_const )
		{
//		table_const.style.cirsor='wait';
		}
	}
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch( e )
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch( e )
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}