$(document).ready(function () {
                  // Finding the selected Item.
                  $('#main_menu ul li a').each(function(index,element) {
                  				try{
                                  var class_Sname = $(element).attr("class").split(" ")[1];
                                  if(class_Sname != undefined)
                                  {
                                                  var class_name = $(element).attr("class").split(" ")[0];
                                  // var class_name = $('#main_menu ul li').find('a[class$="_selected"]').attr("class").replace("_selected","");
                                                $('ul#sub_'+class_name).toggle();
                                  }
                                  }
                                  catch(e){}
                  });
                  ////////////////////////////////////////////////////////////////////////////////////      
                $('#main_menu ul li a').click(function(){
                                var selectedClass = $(this).attr("class").split(" ")[1];
                                if(selectedClass == undefined )
                                {
                                                
                                                var menu_id = $(this).attr("class");
                                                $('.sub_menu_contatier').find('ul').hide();
                                                $('ul#sub_'+menu_id).toggle();
                                                // Finding the selected Item.
                                                $('#main_menu ul li a').each(function(index,element) {
                                                                var class_Sname = $(element).attr("class").split(" ")[1];
                                                                if(class_Sname != undefined)
                                                                {
                                                                                var class_name = $(element).attr("class").split(" ")[0];
                                                                // var class_name = $('#main_menu ul li').find('a[class$="_selected"]').attr("class").replace("_selected","");
                                                                                $("."+class_name).attr("class",class_name);
                                                                }
                                                });
                                                ////////////////////////////////////////////////////////////////////////////////////
                                                $(this).attr("class",menu_id+" main_menu_selected");
                                                class_name="";
                                    }
                                selectedClass = "";
                               
                });
                
});