function changeCodeImage(obj){
	var now=new Date();
	obj.src=obj.src+'?time='+now.getTime();
}

function addCookie(){  
    try{  
        window.external.addFavorite('http://www.b2btour.com','同行旅业');
        return false;
    }catch(e){ 
		try{
			window.external.AddToFavoritesBar(url,title);
			return false;
		}catch(e1){
			(window.sidebar)?window.sidebar.addPanel('同行旅业','http://www.b2btour.com',''):alert('请使用按键 Ctrl+d，收藏同行旅业'); 
			return false;
		}  
    }  
}  
  
function setHomepage(){　 // 设置首页  
    if (document.all){  
        document.body.style.behavior = 'url(#default#homepage)';  
        document.body.setHomePage('http://www.b2btour.com');  
        return false;
    }else if (window.sidebar){  
        if (window.netscape){  
            try {  
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");  
            }catch (e) {  
                alert("该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true"); 
            }  
        }  
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);  
        prefs.setCharPref('browser.startup.homepage', 'http://www.b2btour.com'); 
        return false;
    }  
}  

$(function(){
	if($('#news_panel > a').size()>3){
	$('#news_panel > a').each(function(i,a){
		$('#news_panel').append($(a).clone());
	});}
	var h=$('#news_panel').height();
	var default_time=12000;
	var times;
	h=parseInt(h/2)+5;
	var play=function(){
		var viewport=$('#news_viewport');
		if(viewport.attr('scrollTop')>=h){
			$('#news_viewport').attr('scrollTop',0);
		}
		if(viewport.attr('scrollTop')>0){
			times=default_time*(1-(viewport.attr('scrollTop')/h))
		}
		else
		{
			times=default_time;
		}
		$('#news_viewport').animate({scrollTop:h},times,'linear',play);
	}
	$('#news_panel').hover(function(){$('#news_viewport').stop();},play);
	play();
});

$(function(){
	var advs=['1.jpg','2.jpg','3.jpg','4.jpg','5.jpg'];
	var l=advs.length;
	var i=0;
	var index=0;
	var timer;
	var adv=$('#adv_img');
	src=adv.attr('src');
	src=src.replace(/\w+.jpg$/,advs[index]);
	adv.attr('src',src);
	var adv_buttons=$('#adv_button');
	var to_adv=function (){
		index=parseInt($(this).text())-2;
		hidden_adv();
		return false;
	}
	for(i=0;i<l;i++){
		var a=$('<a href="#">'+(i+1)+'</a>');
		a.click(to_adv);
		a.hover(function(){clearInterval(timer)},function(){timer=setInterval(hidden_adv,4000);});
		adv_buttons.append(a);
	}
	var _as=$('#adv_button>a');
	$(_as.get(index)).css('background-color', '#c3e1fd');
	var show_adv=function(){
		src=src.replace(/\w+.jpg$/,advs[index]);
		adv.attr('src',src);
		
		$(_as.get(index)).css('background-color', '#c3e1fd');
		_as.not(_as.get(index)).css('background-color', '#5a7593');
		adv.fadeIn(600);
	}
	var hidden_adv=function(){
		if(index>=l-1){
			index=0;
		}
		else
		{
			index++;
		}
		adv.fadeOut(300,show_adv);
	}
	timer=setInterval(hidden_adv,4000);
});

//跳转到注册页面
function register(){
	var url = 'user/user_register.jsp';
	document.location.href = url;
}