var xmlhttp;

if (!xmlhttp && typeof XMLHttpRequest!='undefined')
{
 	try 
	{
  		xmlhttp = new XMLHttpRequest();
 	} 
	catch (e) 
	{
  	    xmlhttp = false;
    }
}
	
function myXMLHttpRequest() 
{
	  var xmlhttplocal;
	  try 
	  {
			xmlhttplocal= new ActiveXObject("Msxml2.XMLHTTP")
	  } 
	  catch (e) 
	  {
			try 
			{
				xmlhttplocal= new ActiveXObject("Microsoft.XMLHTTP")
			} 
			catch (E) 
			{
				xmlhttplocal=false;
			}
	  }
	
	  if (!xmlhttplocal && typeof XMLHttpRequest!='undefined') 
	  {
			try 
			{
				var xmlhttplocal = new XMLHttpRequest();
			} 
			catch (e) 
			{
				var xmlhttplocal=false;
				alert('couldn\'t create xmlhttp object');
			}
	  }
	  return(xmlhttplocal);
}

function sndReq(vote,id_num,ip_num,units) 
{
	var theUL = document.getElementById('unit_ul'+id_num);
	
	theUL.innerHTML = '<div class="loading"></div>';
	
    xmlhttp.open('get', 'modules/mod_content/files/rating_files/rpc.php?j='+vote+'&q='+id_num+'&t='+ip_num+'&c='+units);
    xmlhttp.onreadystatechange = handleResponse;
    xmlhttp.send(null);	
}

function handleResponse() 
{
  if(xmlhttp.readyState == 4)
  {
		if (xmlhttp.status == 200)
		{
			var response = xmlhttp.responseText;
			var update = new Array();
	
			if(response.indexOf('|') != -1) 
			{
				update = response.split('|');
				changeText(update[0], update[1]);
			}
		}
    }
}

function changeText( div2show, text ) 
{
    var IE = (document.all) ? 1 : 0;
    var DOM = 0; 
    if (parseInt(navigator.appVersion) >=5) {DOM=1};

    if (DOM) 
	{
        var viewer = document.getElementById(div2show);
        viewer.innerHTML = text;
    }  
	else if(IE) 
	{
        document.all[div2show].innerHTML = text;
    }
}