if (mtDropDown.isSupported()) 
		{
			var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft);

var	menu2	=	ms.addMenu(document.getElementById("mainmenu2"));
menu2.addItem("空气等离子切割枪",	"http://www.xinglong-weld.com/?action=list|xinglong|1|cn|1557|1557&sortid=1375","");
menu2.addItem("二氧化碳保护焊枪",	"http://www.xinglong-weld.com/?action=list|xinglong|1|cn|1557|1557&sortid=1378","");
menu2.addItem("逆变气体保护焊机",	"http://www.xinglong-weld.com/?action=list|xinglong|1|cn|1557|1557&sortid=1521","");
menu2.addItem("氩弧焊机",	"http://www.xinglong-weld.com/?action=list|xinglong|1|cn|1557|1557&sortid=1527","");
menu2.addItem("焊材",	"#","");
menu2.addItem("焊接配件",	"http://www.xinglong-weld.com/?action=list|xinglong|1|cn|1557|1557&sortid=1534","");
menu2.addItem("氩弧焊焊炬",	"http://www.xinglong-weld.com/?action=list|xinglong|1|cn|1557|1557&sortid=1379","");
menu2.addItem("碳弧气刨枪",	"http://www.xinglong-weld.com/?action=list|xinglong|1|cn|1557|1557&sortid=1380","");
menu2.addItem("连接器",	"http://www.xinglong-weld.com/?action=list|xinglong|1|cn|1557|1557&sortid=1381","");
menu2.addItem("其它配件",	"http://www.xinglong-weld.com/?action=list|xinglong|1|cn|1557|1557&sortid=1382","");

			mtDropDown.renderAll();
		}
		//初始菜单
		window.onload = init;