function init_invitation(){
	var dateObj = new Date();
	var time = dateObj.getTime();
	var url = "/app/member/invitation.php?mode=get_preference&time="+time;
	var xmlhttp = getXmlhttp();	
	xmlhttp.open('GET', url, true);	
	xmlhttp.onreadystatechange = function() {
    if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
		var str = xmlhttp.responseText;
		//alert(str);
		set_invitation(str);
    }
    }
	
	xmlhttp.send(null);
}

function set_invitation(flag){
	var i = 1;
	if(flag==1) i = 0;
	
	document.invitation_pref.statusRadio[i].checked = true;
}

function setInvitationStatus(flag){
  var url = "/app/member/invitation.php?mode=set_preference&flag="+flag;
  var xmlhttp = getXmlhttp();

  xmlhttp.open('POST', url, true);	
   xmlhttp.onreadystatechange = function() {
    if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
      var str = xmlhttp.responseText;
      if(str == "success"){
	if(flag)
	  msg = "受け取る";
	else
	  msg = "受け取らない";
	//alert(msg);
      }
    }
   }
	
  xmlhttp.send(null);
}


function remove_invitation(dataform) {
   var myList = new Array();
   //var list = dataform.invitationId;
   var list =  document.getElementsByName('invitationId');

   var str = "";
   var j = 0;
   for (i=0; i<list.length; i++){
     if (list[i].checked==true && list[i].value.length > 0)
     {
        myList[j] = list[i].value;
        j++;
     }
   }
   str = myList.join(",");
   if(str.length < 1 )  return;

   var xmlhttp = getXmlhttp();
   var params = "mode=remove&invitation_ids="+str;
   url = "/app/member/invitation.php";
   xmlhttp.open('POST', url, true);
   xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
   xmlhttp.setRequestHeader("Content-length", params.length);
   xmlhttp.setRequestHeader("Connection", "close");
   xmlhttp.onreadystatechange = function(){
     if(xmlhttp.readyState == 4 && xmlhttp.status == 200){
       var res = xmlhttp.responseText;
       loadViewerInvitation();
     }
   }
   xmlhttp.send(params);
}

function loadViewerInvitation(){
   xmlHttpGet('/app/member/invitation.php?mode=lineup&tpl=home', 'invitationArea');
}