var xmlHttp

function showHint(str)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="get.asp";
url=url+"?ord="+str;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;

xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 

document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
}
else
{
document.getElementById("txtHint").innerHTML='<center><img src="images/ajax-loader.gif" name="Loading" vspace="150"></center>';
}
}

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;
}
function toggleLayer( whichLayer )
	{	
	  var elem, vis;
	  if( document.getElementById ) // this is the way the standards work
	    elem = document.getElementById( whichLayer );
	  else if( document.all ) // this is the way old msie versions work
	      elem = document.all[whichLayer];
	  else if( document.layers ) // this is the way nn4 works
	    elem = document.layers[whichLayer];
	  	vis = elem.style;
	  	// if the style.display value is blank we try to figure it out here
	  	if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
	    	vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
	  		vis.display = (vis.display==''||vis.display=='block')?'none':'block';

	}