/*$(document).ready(function(){

         $("#content1").children("div").each(function(){
                 $(this).hide();
         });
         $("#praxis").show();
         $(".scrollNav").hide();
         $("#praxis").children(".scrollNav").show();


         $("ul.sub-nav2").children("li").each(function(){
                 $(this).children("a").click(function(){
                         $("#content1").children("div").each(function(){
                              $(this).hide();
                          });
                          $("#"+$(this).attr("menu_item")).show();
                          check_visibillity_of_scrollbars("#"+$(this).attr("menu_item"));

         });

         $(".scrollNavUp").click(function(){
                 var scrollContent = $(this).parent().parent().children(".scrollWindow").children(".scrollContent");
                 var current_top = parseInt(scrollContent.css("top"))+50;

                 if(current_top < 0){
                         scrollContent.animate({
                                 top: '+=50'
                         },"fast");
                 }
                  return false;

         });

         $(".scrollNavDown").click(function(){
                  var scrollContent = $(this).parent().parent().children(".scrollWindow").children(".scrollContent");
                  var current_top = parseInt(scrollContent.css("top"));

                  var content_height = parseInt(scrollContent.height());
                  var out_height = parseInt($(this).parent().parent().children(".scrollWindow").height());


                  if(current_top >= ((content_height-out_height)*-1)){
                         $(this).parent().parent().children(".scrollWindow").children(".scrollContent").animate({
                                 top: '-=50'
                         },"fast");
                  }
                  return false;
         });

    });
});

function check_visibillity_of_scrollbars(idx){

         var out_height = parseInt($(idx).children(".scrollWindow").height());
         var inner_height = parseInt($(idx).children(".scrollWindow").children(".scrollContent").height());

         if(inner_height >= out_height){

                 $(idx).children(".scrollNav").show();
         } else{
                 $(idx).children(".scrollNav").hide();
         }



}
*/