function do_contact(add,obj){
  objj=obj;
  xmlHttp=GetXmlHttpObject();
  if (xmlHttp==null)  { 
       alert ("پشتيباني نمي كند HTTP Request مرورگر شما از");
    return ;
  } 
  var url=add;
  g_name=document.getElementById('name').value;
  g_email=document.getElementById('email').value;
  g_subj=document.getElementById('subj').value;
  g_msg=document.getElementById('msg').value;
  g_secimg=document.getElementById('secimg').value;
  g_ip=document.getElementById('ip').value;

  var poststring = "name="+g_name+"&email="+g_email+"&subj="+g_subj+"&msg="+g_msg+"&secimg="+g_secimg+"&ip="+g_ip;
  
  xmlHttp.onreadystatechange=stateChanged ;
  xmlHttp.open("POST",url,true);
  xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  xmlHttp.setRequestHeader("Content-length", poststring.length);
  xmlHttp.send(poststring);
}