var xmlHttp

function showUser( str )
{
	xmlHttp = GetXmlHttpObject();
	if( xmlHttp==null )
 	{
 		alert ("Browser does not support HTTP Request")
 		return;
	}
	var url="../../../ajax/chat.php"
	url = url+"?q="+str;
	url = url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged ;
	xmlHttp.open( "GET",url,true );
	xmlHttp.send( null );
}



function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("showAjaxMessage").style.visibility = 'visible';
 		document.getElementById("showAjaxMessage").innerHTML=xmlHttp.responseText ;
	} 
}

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;
}