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){
			try{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}catch (e){
				alert("Your browser does not support AJAX!");
				return false;
			}
		}
  	}
  	return xmlHttp;
}

function ajaxSearch(){
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null){
    	alert ("Browser does not support HTTP Request");
        return;
    }
	
	var url="ajax/ajax_search.php";
	var q = document.getElementById('q').value;
	url = url+"?q="+q;
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("POST",url,true); 
	xmlHttp.send(null);
}
function stateChanged(){
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
		document.getElementById('Aresult').innerHTML=xmlHttp.responseText;
		document.getElementById('result').style.display='block';
	}
}
function closeResult(){
	document.getElementById('result').style.display='none';
	document.getElementById('q').value='';
}