JQuery SELECT单选模拟jQuery.select.js

                __clearSelectMenu();
                break;
            case 27:
                //esc
                __clearSelectMenu();
                break;
            case 33:
                $(‘#’+selectId+’ > div > ul > li’).removeClass(“over”);
                selectIndex = 0;
                __keyDown(selectId,selectIndex);
                break;
            case 34:
                $(‘#’+selectId+’ > div > ul > li’).removeClass(“over”);
                selectIndex = ($(‘#’+selectId+’ > select > option’).length – 1);
                __keyDown(selectId,selectIndex);
                break;
            case 35:
                $(‘#’+selectId+’ > div > ul > li’).removeClass(“over”);
                selectIndex = ($(‘#’+selectId+’ > select > option’).length – 1);
                __keyDown(selectId,selectIndex);
                break;
            case 36:
                $(‘#’+selectId+’ > div > ul > li’).removeClass(“over”);
                selectIndex = 0;