function init_page(){
  //show fade in divs
  $("#info_block,#action_block,#ft").fadeIn("fast");

  //navigation click
  $(".nav_tab").click(function(){
    redirect($(this).attr("id")+".php");
  });

  //logout functions
  $("#logout").click(function(){
    ajax_logout_user();
  });
}

//redirect function
function redirect(destination){
  $("#info_block,#action_block,#ft").fadeOut("normal",function(){ window.location = destination; });
  window.location = destination;
}

function ajax_logout_user(){
  $.get("account_logout.php",
    function(data2){
      redirect("index.php");
    });
}

//response_message function
function response_message(location,message){
  $(".response_message").remove();
  $(location).append('<div class="response_message">'+message+'</div>');
  $(".response_message").hide();
  $(".response_message").fadeIn("fast");
  setTimeout ( "$('.response_message').fadeOut('fast');", 3000 );
}

//show hide for single button
function show_hide(location){
  if($(location).is(":hidden")){
    $(location).slideDown("fast");
  }else{
    $(location).slideUp("fast");
  }
}