function showInfo(x, y)
{
	  var xmlHttp; try { xmlHttp=new XMLHttpRequest(); } catch (e) { 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; } } }  
		xmlHttp.onreadystatechange=function()
		{
  	  if (xmlHttp.readyState<4)
  	  {
    		document.getElementById("info").innerHTML="<img src=images/ajax-loader.gif>";
  	  }
 			else
    	{
    		document.getElementById("info").innerHTML=xmlHttp.responseText;
    	}
  	}
		var responseUrl = "http://"+document.URL.split('/')[2]+"/lab/index.php/ghi/info/"+x+"/"+y;
  	xmlHttp.open("GET", responseUrl, true);
  	xmlHttp.send(null);
}