//下拉菜单
jQuery(function($){
	var p=$('#group');
	var menu=$('#g_sub');
	p.mouseover(function(){
		menu.css("display","block");
	});
	p.mouseout(function(){
		menu.css("display","none");
	});
	menu.mouseover(function(){
		menu.css("display","block");
	});
	menu.mouseout(function(){
		menu.css("display","none");					   
	});
	
	var p1=$('#service');
	var menu1=$('#s_sub');
	p1.mouseover(function(){
		menu1.css("display","block");
	});
	p1.mouseout(function(){
		menu1.css("display","none");
	});
	menu1.mouseover(function(){
		menu1.css("display","block");
	});
	menu1.mouseout(function(){
		menu1.css("display","none");					   
	});
});