/**
 *  交换图片按钮的图片地址
 *  ts 当然图片的指针
 *  id 这一系列图片的ID开头部分
 *  start 循环的开始
 *  end 循环的结束
 *  
 *  例如：
 *  <img src="images/nav_1_b.jpg" width="227" height="41" id="nav_1" style="cursor:pointer" onmouseover="swapImageButton(this,'nav_',1,4);" />
 *  <img src="images/nav_2_a.jpg" width="220" height="41" id="nav_2" style="cursor:pointer" onmouseover="swapImageButton(this,'nav_',1,4);" />
 *  <img src="images/nav_3_a.jpg" width="225" height="41" id="nav_3" style="cursor:pointer" onmouseover="swapImageButton(this,'nav_',1,4);" />
 *  <img src="images/nav_4_a.jpg" width="228" height="41" id="nav_4" style="cursor:pointer" onmouseover="swapImageButton(this,'nav_',1,4);" />
 */
var swapImageButtonTemp;	//保持点击的图片
// 鼠标上去改变一组图片中的一个
function swapImageButton(ts,id,start,end){
	if(ts.src.indexOf('_a.')!=-1){
		for(var i=start;i<=end;i++){
		var tmp = document.getElementById(id+i);
			tmp.src = tmp.src.replace("_b.","_a.");
		}
		ts.src = ts.src.replace("_a.","_b.");
	}
}
// 鼠标离开回复图片
function swapImageButtonOut(ts){
	if(ts.src.indexOf('_b.')!=-1){
		ts.src = ts.src.replace("_b.","_a.");
	}
}
// 切换按钮
function showItem(ts,a,b,id){
	if(a&&b){
		if(a!="vip"&&a!="dianbo"){
			document.getElementById("free").style.display='none';
			document.getElementById("etong").style.display='none';
			document.getElementById("ejia").style.display='none';
			document.getElementById("ejia2").style.display='none';
			document.getElementById("e9").style.display='none';
		}
		
		document.getElementById(a).style.display='';
		document.getElementById(b).style.display='none';
		
		
		var imga = document.getElementById(id+a);
		imga.src = imga.src.replace("_a.","_b.");
		
		var imgb = document.getElementById(id+b);
		imgb.src = imgb.src.replace("_b.","_a.");
	}
}

// 套餐特色滚动效果
function taocanTeseGunDong(){
    var totalWidth = tcts.width();
    var curWidth = divNode.width();
    // 如果不是太长就不需要滚动
    if(curWidth<=totalWidth||!canScroll){
    	return;
    }
    var nodes = divNode.find("a");
    var node = nodes.eq(0);
    divNode.animate({ left: -node.width()},500,function(){
    	node.clone().appendTo(divNode).fadeIn('normal');
    	//divNode.append(" ");
    	node.remove();
    	divNode.css('left',0);
	});
}

// 首页大类跳转按钮
var newsrc;
function init(){
	var nav1 = $("#nav_1");
	var nav2 = $("#nav_2");
	var nav3 = $("#nav_3");
	var nav4 = $("#nav_4");
	var framein = $('#frame_in');
	var msDiv = $('#moviesSubDiv');
	
	// 点击切换图片
	nav1.click(function(){
		var oldsrc = framein.attr('src');
		//var newsrc=oldsrc.substr(0,oldsrc.lastIndexOf('-')+1)+'index-tuijian-movie.htm';
		if(oldsrc!=newsrc)framein.attr('src',newsrc);
	});
	nav2.click(function(){
		var oldsrc = framein.attr('src');
		//var newsrc=oldsrc.substr(0,oldsrc.lastIndexOf('-')+1)+'index-zuixin-movie.htm';
		if(oldsrc!=newsrc)framein.attr('src',newsrc);
	});
	nav3.click(function(){
		var oldsrc = framein.attr('src');
		//var newsrc=oldsrc.substr(0,oldsrc.lastIndexOf('-')+1)+'index-paihang-movie.htm';
		if(oldsrc!=newsrc)framein.attr('src',newsrc);
	});
	nav4.click(function(){
		var oldsrc = framein.attr('src');
		//var newsrc=oldsrc.substr(0,oldsrc.lastIndexOf('-')+1)+'index-zhuanti.htm';
		if(oldsrc!=newsrc)framein.attr('src',newsrc);
	});
	
	// 鼠标移动切换图片
	nav1.mouseover(function(){
		msDiv.animate({ left: this.parentNode.offsetLeft},"normal");
		nav1.attr("src","/images/nav_1_b.jpg");
		nav2.attr("src","/images/nav_2_a.jpg");
		nav3.attr("src","/images/nav_3_a.jpg");
		nav4.attr("src","/images/nav_4_a.jpg");
		newsrc='index-tuijian-movie.htm';
	});
	nav2.mouseover(function(){
		msDiv.animate({ left: this.parentNode.offsetLeft},"normal");
		nav1.attr("src","/images/nav_1_a.jpg");
		nav2.attr("src","/images/nav_2_b.jpg");
		nav3.attr("src","/images/nav_3_a.jpg");
		nav4.attr("src","/images/nav_4_a.jpg");
		newsrc='index-zuixin-movie.htm';
	});
	nav3.mouseover(function(){
		msDiv.animate({ left: this.parentNode.offsetLeft},"normal");
		nav1.attr("src","/images/nav_1_a.jpg");
		nav2.attr("src","/images/nav_2_a.jpg");
		nav3.attr("src","/images/nav_3_b.jpg");
		nav4.attr("src","/images/nav_4_a.jpg");
		newsrc='index-paihang-movie.htm';
	});
	nav4.mouseover(function(){
		msDiv.animate({ left: -250},"normal");
		nav1.attr("src","/images/nav_1_a.jpg");
		nav2.attr("src","/images/nav_2_a.jpg");
		nav3.attr("src","/images/nav_3_a.jpg");
		nav4.attr("src","/images/nav_4_b.jpg");
		newsrc='index-zhuanti.htm';
	});
}
function goPage(ts,url){
	swapImageButton(ts,'nav_',1,4);
	if(ts.id!='nav_4'){
		$('#moviesSubDiv').animate({ left: ts.parentNode.offsetLeft},"normal");
	}else{
		$('#moviesSubDiv').animate({ left: -250},"normal");
	}
	if($('#frame_in').attr('src')!=url){
		$('#frame_in').attr('src',url);
	}
}
// 首页小类跳转按钮
function goPageSub(ts,url){
	swapImageButtonTemp=ts;
	var oldsrc = $('#frame_in').attr('src');
	var src=newsrc.substr(0,newsrc.lastIndexOf('-')+1)+url;
	if(oldsrc!=src){
		$('#frame_in').attr('src',src);
	}
}