if (GDNetMenuDown.isSupported()) 
{
	var listImg='<img src=menu/img/arrow.gif >'
	var ms = new GDNetMenuDownSet(GDNetMenuDown.direction.down, 0, 0, GDNetMenuDown.reference.bottomLeft);
	
	var menu_1 = ms.addMenu(document.getElementById('menu_1'));
	menu_1.addItem(listImg+'公司简介','about.aspx');
	menu_1.addItem(listImg+'公司理念','linian.aspx'); 
	menu_1.addItem(listImg+'企业文化','wenhua.aspx');
	menu_1.addItem(listImg+'发展方向','fazhan.aspx');
	
	var menu_2 = ms.addMenu(document.getElementById('menu_2'));
	menu_2.addItem(listImg+'考研','course.aspx?bid=27');
	menu_2.addItem(listImg+'南大专业课','course.aspx?bid=10'); 
	menu_2.addItem(listImg+'在职法硕','course.aspx?bid=28');
	menu_2.addItem(listImg+'教师考前辅导','course.aspx?bid=8');
	
	
	var menu_3 = ms.addMenu(document.getElementById('menu_3'));
	menu_3.addItem(listImg+'学员下载','down.aspx?bid=5');
	menu_3.addItem(listImg+'普通下载','down.aspx?bid=9'); 
	
	var menu_4 = ms.addMenu(document.getElementById('menu_4'));
	menu_4.addItem(listImg+'名师风采','teacher.aspx');
	menu_4.addItem(listImg+'学员风采','stu.aspx'); 

GDNetMenuDown.renderAll();
}
init();