var xmlHttp







function getCat(input){



xmlHttp=GetXmlHttpObject()



if (xmlHttp==null)

{

alert ("Browser does not support HTTP Request")

return

} 







var url="./ajax/getcat.php?cat="+input.id

//var url="test.php"

xmlHttp.onreadystatechange=stateChanged

xmlHttp.open("GET",url,true)

xmlHttp.send(null)







function stateChanged() 

{ 



if (xmlHttp.readyState < 4){



 document.getElementById("categories").innerHTML="<div class=\"loading\"><img src=\"./ajax/ajax-loader.gif\"></div>"



} else { 

var ny = xmlHttp.responseText

var ni = document.getElementById('categories');

ni.innerHTML = ny;

} 

}

}











function GetXmlHttpObject()

{ 

var objXMLHttp=null

if (window.XMLHttpRequest)

{

objXMLHttp=new XMLHttpRequest()

}

else if (window.ActiveXObject)

{

objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")

}

return objXMLHttp

}