var xmlHttp

function getTourData(tourid, pid)
{
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null){
	    alert ("Browser does not support HTTP Request")
	    return
	}
	
	var url="tourdata.php"
	
	url=url+"?tourid="+tourid+"&pid="+pid
	
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
	   document.getElementById("tourdata").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;
}