var request = false;
try {
  request = new XMLHttpRequest();
} catch (trymicrosoft) {
  try {
    request = new ActiveXObject("Msxml2.XMLHTTP");
  } catch (othermicrosoft) {
    try {
      request = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (failed) {
      request = false;
    }
  }
}

if (!request)
{
  alert("Error initializing XMLHttpRequest!");
}


 function addCookie(g1){//Ìí¼Ócookie

  var str=document.getElementById(g1).value;
  var url = "js/user_login.aspx?user_id="+str+"&sid="+ Math.random();
	   request.open("GET", url, true);
       request.send(null);
  }





  
function main_data(g1)
{

       if(g1=="1")
       {
           document.getElementById("p1").style.display="none";
           document.getElementById("p2").style.display="";
           document.getElementById("p3").style.display="none";

       }
       else if(g1=="0")
       {
           document.getElementById("p2").style.display="none";
           document.getElementById("p1").style.display="";
           document.getElementById("p3").style.display="none";
       } 
       else
       {
        document.getElementById("p2").style.display="none";
           document.getElementById("p1").style.display="none";
           document.getElementById("p3").style.display="";
       } 
}