var xmlHttp;

function showp(kcal)
{

xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 

document.getElementById("cfoods").innerHTML="<p><b>Please wait...</b></p>";


var url="showp.php";
url=url+"?"+kcal;
//url=url+",sid="+Math.random();
xmlHttp.onreadystatechange=showpchanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

function showpchanged() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("cfoods").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;
}