/* ----- article-categories ------ */
$(document).ready(function() {
    if($("#tag_cloud").length > 0)
    {
        $.post("/apps/tagcloud.php", function(data){
          $("#tag_cloud").html(data);
        });        
    }
});

/* ------ ask-question ----------- */
  function askaquestioncheck()
  {  
      questionval = $("#question").val();
      if(questionval.search(/\S/)==-1  || questionval=="Please enter a question.")
      {
        $("#errortext").html("<font color='red' >Please enter a correct question.<font>");
         return false;
      }
      else
      {
          $("#asktext").attr({ style: "display:none" });
          $("#askemail").attr({ style: "display:block" });
          $("#errortext").html("");  
          emailval =  $("#email").val();
          
          var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
          if((emailval.search(/\S/)!=-1) && (reg.test(emailval)== true))
          {
             $("#errortext").html("");
             params = 'question='+questionval+'&email='+emailval;
             
            $("#errortext").attr({ style: "display:none" });
            $("#asktext").attr({ style: "display:none" });
            $("#askemail").attr({ style: "display:none" });
            $("#submitbutton").attr({ style: "display:none" });
            $("#articlelist").attr({ style: "display:block;" });
            $("#articlelist").html("<div style='text-align:center'><img src='/styles/ydf/img/loadinfo.gif' height='24' width='24' border='0' ></div>"); 
            $("#email").val("");
            $("#question").val("");
             
             $.ajax({
                   type: "POST",
                   url: "/apps/askaquestion.php",
                   data: params,
                   success: function(getpagedata){
                                                    $("#errortext").attr({ style: "display:none" });
                                                    $("#asktext").attr({ style: "display:none" });
                                                    $("#askemail").attr({ style: "display:none" });
                                                    $("#submitbutton").attr({ style: "display:none" });
                                                    $("#articlelist").attr({ style: "display:block" });
                                                    $("#email").val("");
                                                    $("#question").val("");
                                                    $("#articlelist").html(getpagedata); 
                                                 }
                  });    
              return false;
          }
           return false;
      }

  }
  
  function showtext()
  {
         question_val = $("#question").val();

         if(question_val.search(/\S/)==-1)
         {   $("#question").val("Please enter a question.");  }
         
         if(question_val == "Please enter a question.")
         {   $("#question").val("");  }
  }
  
  $(document).ready(function() {
       if($("#question").length > 0)
       {
            showtext();
          $("#question").focus(function(){
                showtext();
          });
          $("#question").blur(function(){
                showtext();
          });
       }
  });

  
  
  

/* ------------- featured article ------------- */
   $(function(){
        if($('.SlideTab').length > 0)
        {
            $('.SlideTab').tabSwitch('create',{width: 440, height: 150});
            $('.tabSelect').click(function(e){
                $('.SlideTab').tabSwitch('moveTo',{index: parseInt($(this).attr("rel"))});
                e.preventDefault();
            });
            $('.Navnext').click(function(e){
                $('.SlideTab').tabSwitch('moveStep',{step: parseInt($(this).attr("rel"))});
                e.preventDefault();
            });
            $('.Navprev').click(function(e){
                $('.SlideTab').tabSwitch('moveStep',{step: parseInt($(this).attr("rel"))});
                e.preventDefault();
            });
        }
    });

/*------------- latest article -------------- */
    function funajax(display_mode)
    {
         params = "display_mode="+display_mode;
         
         $.ajax({
               type: "POST",
               url: "/apps/latest_article_and_top_five.php",
               data: params,
               success: function(getpagedata){
                                                getpagedata_arr = getpagedata.split("||||");
                                                $("#show_heading").html(getpagedata_arr[0]); 
                                                $("#show_main").html(getpagedata_arr[1]);
                                             }
              });    
    }