function onColumnMenuInit(e){

            //Avaliable Grid columns
            var columns = e.sender.columns;

            //get menuItem inputs
            var inputs =  $(e.container).find("input");

            for(var x = 0; x < columns.length; x++){

              //if the column's menu property is set to false
              if(columns[x].menu == "false"){

                //hide the parent span of the input
                $(inputs[x]).parent("span").hide();
              }
            }
          }