$(function(){
    	$("#viewerc").imageScroller({
    	next:"btn1c",
    	prev:"btn2c",
    	frame:"viewerFramec",
    	child:"a",
    	auto:true
    	});	 
    });
$(function(){
    	$("#viewerd").imageScroller({
    	next:"btn1d",
    	prev:"btn2d",
    	frame:"viewerFramed",
    	child:"a",
    	auto:true
    	});	 
    });
$(function(){
	$("#viewer").imageScroller({
	next:"btn1",
	prev:"btn2",
	frame:"viewerFrame",
	child:"a",
	auto:true
	});	 
});

jQuery.fn.imageScroller = function(params){
	var p = params || {
		next:"buttonNext",
		prev:"buttonPrev",
		frame:"viewerFrame",
		child:"a",
		auto:true
	}; 
	var _btnNext = $("#"+ p.next);
	var _btnPrev = $("#"+ p.prev);
	var _imgFrame = $("#"+ p.frame);
	var _child = p.child;
	var _auto = p.auto;
	var _itv;
	
	var turnLeft = function(){
		_btnPrev.unbind("click",turnLeft);
		if(_auto) autoStop();
		_imgFrame.animate( {marginLeft:-100}, 'fast', '', function(){
			_imgFrame.find(_child+":first").appendTo( _imgFrame );
			_imgFrame.css("marginLeft",0);
			_btnPrev.bind("click",turnLeft);
			if(_auto) autoPlay();
		});
	};

	var turnRight = function(){
		_btnNext.unbind("click",turnRight);
		if(_auto) autoStop();
		_imgFrame.find(_child+":last").clone().show().prependTo( _imgFrame );
		_imgFrame.css("marginLeft",-83);
		_imgFrame.animate( {marginLeft:0}, 'fast' ,'', function(){
			_imgFrame.find(_child+":last").remove();
			_btnNext.bind("click",turnRight);
			if(_auto) autoPlay(); 
		});
	};
	
	_btnNext.css("cursor","hand").click( turnRight );
	_btnPrev.css("cursor","hand").click( turnLeft );
	
	var autoPlay = function(){
	  _itv = window.setInterval(turnRight, 2000);
	};
	var autoStop = function(){
		window.clearInterval(_itv);
	};
	if(_auto)	autoPlay();
};


/*下拉开始*/
$(document).ready(function(){
	setTimeout("showBanner();",2000);
});
function showBanner(){
	$(".banner p:eq(0)").slideUp(1000,function(){$(".banner p:eq(1)").slideDown(1000);});
}
/*图片展示*/
  $(function() {
        //$('#gallery a,#gallerya a,#galleryb a').lightBox();
    });
/*图片展示a*/

	$(document).ready(function(){
	var imgDivs = $("#photoShow>div");
	var imgNums = imgDivs.length; //图片数量
	var divWidth = parseInt($("#photoShow").css("width")); //显示宽度
	var imgWidth = parseInt($(".photo>img").css("width")); //图片宽度
	var minWidth = (divWidth - imgWidth)/(imgNums-1); //显示其中一张图片时其他图片的显示宽度
	var spanHeight = parseInt($("#photoShow>.photo:first>span").css("height")); //图片介绍信息的高度
	imgDivs.each(function(i){
		$(imgDivs[i]).css({"z-index": i, "left": i*(divWidth/imgNums)});
		$(imgDivs[i]).hover(function(){
			//$(this).find("img").css("opacity","1");
			$(this).find("span").stop().animate({bottom: 0}, "slow");
			imgDivs.each(function(j){
				if(j<=i){
					$(imgDivs[j]).stop().animate({left: j*minWidth}, "slow");
				}else{
					$(imgDivs[j]).stop().animate({left: (j-1)*minWidth+imgWidth}, "slow");
				}
			});
		},function(){
			imgDivs.each(function(k){
				//$(this).find("img").css("opacity","0.7");
				$(this).find("span").stop().animate({bottom: -spanHeight}, "slow");
				$(imgDivs[k]).stop().animate({left: k*(divWidth/imgNums)}, "slow");
			});
		});
	});
});

//设置为首页
function setHomepage()
{
if (document.all)
    {
        document.body.style.behavior='url(#default#homepage)';
       document.body.setHomePage('http://www.bjdongtang.com');

    }
    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.bjdongtang.com');
}
}