$(function(){
	$('.nav_box li').mouseover(function(){
		$('.menu_list',this).css('display','block');
		$('.nav_1',this).addclass('focus');
		$('.menu_list',this).stop().animate({opacity:0.9},{queue:false,duration:500});			
	});
	$('.nav_box li').mouseout(function(){
		$('.nav_1',this).removeclass('focus');
		$('.menu_list',this).fadeto(500,0,function(){$(this).css('display','none');});		
	});
})

//加入收藏
function addfavorite(surl, stitle) {
		surl = encodeuri(surl);
	try{  
		window.external.addfavorite(surl, stitle);  
	}catch(e) {  
		try{  
			window.sidebar.addpanel(stitle, surl, "");  
		}catch (e) {  
			alert("加入收藏失败，请使用ctrl+d进行添加,或手动在浏览器里进行设置.");
		}  
	}
}
//设为首页
function sethome(url){
	if (document.all) {
		document.body.style.behavior='url(#default#homepage)';
		   document.body.sethomepage(url);
	}else{
		alert("您好,您的浏览器不支持自动设置页面为首页功能,请您手动在浏览器里设置该页面为首页!");
	}
}
/**无间隙向左滚动代码**/
function header_scrollimgleft(){
	var header_speed=30; 
	var scroll_begin = document.getelementbyid("scroll_begin_left");
	var scroll_end = document.getelementbyid("scroll_end_left");
	var scroll_div = document.getelementbyid("scroll_div_left");
	scroll_end.innerhtml=scroll_begin.innerhtml

	function header_marquee(){
		if(scroll_end.offsetwidth-scroll_div.scrollleft<=0){
			scroll_div.scrollleft-=scroll_begin.offsetwidth;
		}else{
			scroll_div.scrollleft+=1;
		}
	}
	var header_mymar=setinterval(header_marquee,header_speed)
	scroll_div.onmouseover=function() {clearinterval(header_mymar)}
	scroll_div.onmouseout=function() {header_mymar=setinterval(header_marquee,header_speed)}
}