var xmlHttp
var display

function showBrand(cat,x) {
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null) {
    alert ("Browser does not support HTTP Request")
    return
  }
  if (cat == 1){
	var url="ajax_appliances.php"
  }
  else if (cat == 2){
	var url="ajax_fixtures_faucets.php"
  }
  else if (cat == 3){
	var url="ajax_home_entertainment.php"
  }
  url=url+"?brand="+x
  xmlHttp.onreadystatechange=stateChanged
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}

function stateChanged() { 
  if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {
    display = xmlHttp.responseText;
    document.getElementById("inside").innerHTML=display;
  }
}

function GetXmlHttpObject() {
  var xmlHttp=null;
  try { xmlHttp=new XMLHttpRequest(); }
  catch (e) { try { xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); }
    catch (e) { xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); } }
  return xmlHttp;
}