var xmlhttp;
xmlhttp=null;
try
{
    if (window.XMLHttpRequest)
    {// code for all new browsers
        xmlhttp=new XMLHttpRequest();
    }
    else if (window.ActiveXObject)
    {// code for IE5 and IE6
        xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
 }
 catch(e)
 {
 }   
  
function callAddHitPage(link_id)
{
    try
    {
        var url='http://www.dotnetopen.net/addhit.aspx?id=' + link_id;
        if (xmlhttp!=null)
        {
            xmlhttp.open("GET",url,true);
            xmlhttp.send(null);
        }
    }    
    catch(e)    
    {
    }
}