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

function GetXmlHttpObject()
{
    if (window.XMLHttpRequest)
    {
        // code for IE7+, Firefox, Chrome, Opera, Safari
        return new XMLHttpRequest();
    }
    if (window.ActiveXObject)
    {
        // code for IE6, IE5
        return new ActiveXObject("Microsoft.XMLHTTP");
    }
    return null;
}


function getNodeValue(obj,tag)
{
    var data = obj.getElementsByTagName(tag)[0].firstChild.data;
    return data;
}