var xmlHttp
function showsubarea(str)
{
xmlHttp=GetXmlHttpObject1();
if (xmlHttp==null)
{
  alert ("Your browser does not support AJAX!");
  return;
} 
if(xmlHttp.readyState==0 || xmlHttp.readyState==4)
{
	xmlHttp.open("GET",'getsubareas.php?q='+str,true);
}
xmlHttp.onreadystatechange=stateChangedsubarea;
xmlHttp.send(null);
}
function stateChangedsubarea() 
{
	xmlHttp.onreadystatechange=function()
 		{
			if (xmlHttp.readyState==4)
				{ 
				
				   document.getElementById("subarea2").innerHTML=xmlHttp.responseText;
				   
                  
				}
 		}
}

function GetXmlHttpObject1()
{
var xmlHttp=null;
try
  {
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}