if (mtDropDown.isSupported()) { var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft); var menu3 = ms.addMenu(document.getElementById("mainmenu3")); menu3.addItem("CNC数控修整专用金刚石滚轮", "?action=list|tailong|92427|cn|20900|20890","_blank"); menu3.addItem("齿轮进口国产磨齿机生产加工磨削滚轮", "?action=list|tailong|92427|cn|20901|20890","_blank"); menu3.addItem("发动机曲轴及航空叶片成型磨削滚轮", "?action=list|tailong|92427|cn|20902|20890","_blank"); menu3.addItem("风力发电机轴承成型磨削滚轮", "?action=list|tailong|92427|cn|20903|20890","_blank"); menu3.addItem("机床导轨、丝杆磨削成型滚轮", "?action=list|tailong|92427|cn|20904|20890","_blank"); menu3.addItem("汽车零部件磨削成型滚轮", "?action=list|tailong|92427|cn|20905|20890","_blank"); menu3.addItem("油泵、油嘴及柱塞套成型修整滚轮", "?action=list|tailong|92427|cn|20906|20890","_blank"); menu3.addItem("其他滚轮及CBN修整砂轮", "?action=list|tailong|92427|cn|20907|20890","_blank"); var menu4 = ms.addMenu(document.getElementById("mainmenu4")); menu4.addItem("公司动态", "?action=news|tailong|92427|cn|20897|20891","_blank"); menu4.addItem("行业动态", "?action=news|tailong|92427|cn|20898|20891","_blank"); mtDropDown.renderAll(); } //初始菜单 window.onload = init;