function ajaxFunction(){
	var xmlHttp;
	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 makelist(id, divid){
	var cont=document.getElementById(divid);
	var xmlHttp=ajaxFunction();
	xmlHttp.onreadystatechange=function()
    {
    	if(xmlHttp.readyState < 4) {
    		cont.innerHTML = '<font color="#666666">Loading...</font>';
    	}
    	else if(xmlHttp.readyState==4) {
        	cont.innerHTML = xmlHttp.responseText;
        }
    }
	xmlHttp.open("GET","visitor_navigation_info.php?v_id="+id, true);
    xmlHttp.send(null);
}

function navshowinfo(divid, bdivid){
	var cont=document.getElementById(divid);
	var btn=document.getElementById(bdivid);
	if(cont.style.display=='none'){	
		cont.style.display='';		
		btn.innerHTML='Hide info';
	}else{
		cont.style.display='none';
		btn.innerHTML='Show info';
	}
}