// javascript document

/* 爵士舞导师团队点击切换滚动动画 */
function zoompic()
{this.initialize.apply(this,arguments)}
zoompic.prototype={initialize:function(id)
{var _this=this;this.wrap=typeof id==="string"?document.getelementbyid(id):id;this.oul=this.wrap.getelementsbytagname("ul")[0];this.ali=this.wrap.getelementsbytagname("li");this.prev=this.wrap.getelementsbytagname("pre")[0];this.next=this.wrap.getelementsbytagname("pre")[1];this.timer=null;this.asort=[];this.icenter=3;this._doprev=function(){return _this.doprev.apply(_this)};this._donext=function(){return _this.donext.apply(_this)};this.options=[{width:124,height:124,top:152,left:310,zindex:1},{width:100,height:100,top:152,left:128,zindex:2},{width:124,height:124,top:152,left:200,zindex:3},{width:248,height:248,top:124,left:292,zindex:4},{width:124,height:124,top:152,left:508,zindex:3},{width:100,height:100,top:152,left:604,zindex:2},{width:124,height:124,top:152,left:400,zindex:1},];for(var i=0;i<this.ali.length;i++)this.asort[i]=this.ali[i];this.asort.unshift(this.asort.pop());this.setup();this.addevent(this.prev,"click",this._doprev);this.addevent(this.next,"click",this._donext);this.doimgclick();this.timer=setinterval(function()
{_this.donext()},3000);this.wrap.onmouseover=function()
{clearinterval(_this.timer)};this.wrap.onmouseout=function()
{_this.timer=setinterval(function()
{_this.donext()},3000);}},doprev:function()
{this.asort.unshift(this.asort.pop());this.setup()},donext:function()
{this.asort.push(this.asort.shift());this.setup()},doimgclick:function()
{var _this=this;for(var i=0;i<this.asort.length;i++)
{this.asort[i].onclick=function()
{if(this.index>_this.icenter)
{for(var i=0;i<this.index-_this.icenter;i++)_this.asort.push(_this.asort.shift());_this.setup()}
else if(this.index<_this.icenter)
{for(var i=0;i<_this.icenter-this.index;i++)_this.asort.unshift(_this.asort.pop());_this.setup()}}}},setup:function()
{var _this=this;var i=0;for(i=0;i<this.asort.length;i++)this.oul.appendchild(this.asort[i]);for(i=0;i<this.asort.length;i++)
{this.asort[i].index=i;if(i<7)
{this.css(this.asort[i],"display","block");this.domove(this.asort[i],this.options[i],function()
{_this.domove(_this.asort[_this.icenter].getelementsbytagname("img")[0],{opacity:100},function()
{_this.domove(_this.asort[_this.icenter].getelementsbytagname("img")[0],{opacity:100},function()
{_this.asort[_this.icenter].onmouseover=function()
{_this.domove(this.getelementsbytagname("div")[0],{bottom:0})};_this.asort[_this.icenter].onmouseout=function()
{_this.domove(this.getelementsbytagname("div")[0],{bottom:-100});}})})});}
else
{this.css(this.asort[i],"display","none");this.css(this.asort[i],"width",0);this.css(this.asort[i],"height",0);this.css(this.asort[i],"top",152);this.css(this.asort[i],"left",this.oul.offsetwidth/2)}
if(i<this.icenter||i>this.icenter)
{this.css(this.asort[i].getelementsbytagname("img")[0],"opacity",30)
this.asort[i].onmouseover=function()
{_this.domove(this.getelementsbytagname("img")[0],{opacity:100})};this.asort[i].onmouseout=function()
{_this.domove(this.getelementsbytagname("img")[0],{opacity:35})};this.asort[i].onmouseout();}
else
{this.asort[i].onmouseover=this.asort[i].onmouseout=null}}},addevent:function(oelement,seventtype,fnhandler)
{return oelement.addeventlistener?oelement.addeventlistener(seventtype,fnhandler,false):oelement.attachevent("on"+seventtype,fnhandler)},css:function(oelement,attr,value)
{if(arguments.length==2)
{return oelement.currentstyle?oelement.currentstyle[attr]:getcomputedstyle(oelement,null)[attr]}
else if(arguments.length==3)
{switch(attr)
{case"width":case"height":case"top":case"left":case"bottom":oelement.style[attr]=value+"px";break;default:oelement.style[attr]=value;break}}},domove:function(oelement,oattr,fncallback)
{var _this=this;clearinterval(oelement.timer);oelement.timer=setinterval(function()
{var bstop=true;for(var property in oattr)
{var icur=parsefloat(_this.css(oelement,property));property=="opacity"&&(icur=parseint(icur.tofixed(2)*100));var ispeed=(oattr[property]-icur)/5;ispeed=ispeed>0?math.ceil(ispeed):math.floor(ispeed);if(icur!=oattr[property])
{bstop=false;_this.css(oelement,property,icur+ispeed)}}
if(bstop)
{clearinterval(oelement.timer);fncallback&&fncallback.apply(_this,arguments)}},30)}};
/*导师动画调用*/

function chekmsg(o)
{
	if(o.contact.value=="")
	{
		alert('请填写昵称')
		return false
	}
	/*var mail = /^\w+((-\w+)|(\.\w+))*\@[a-za-z0-9]+((\.|-)[a-za-z0-9]+)*\.[a-za-z0-9]+$/;
	if(!mail.test(o.email.value)){
		alert("请填写邮箱");return false;
	}*/
	if(o.qq.value=="")
	{
		alert('请填写qq')
		return false;
	}
	if(o.title.value=="")
	{
		alert('请填写主题')
		return false;
	}
	if(o.content.value=="")
	{
		alert('请填写内容')
		return false
	}
	if(o.code.value=="")
	{
		alert('请填写验证码')
		return false
	}
}

function chekbook(o)
{
	if(o.contact.value=="")
	{
		alert('请填写姓名')
		return false;
	}
	if(o.tel.value=="")
	{
		alert('请填写联系方式')
		return false;
	}
}

function getvideo(c,i)
{
	$.post("server.php",{action:'getvideo',channel:c,id:i},function(data){
		arr=data.split("||")
		str='<embed id="vshow" src="'+arr[0]+'" quality="high" width="548" height="334" align="middle" allowscriptaccess="always" allowfullscreen="true" mode="transparent" type="application/x-shockwave-flash"></embed>'
		$("#v").html(str)
		})
}

function loads()
{
	$('#slides').slides({
		preload: false,
		preloadimage: '/images/loading.gif',
		effect: 'fade',
		slidespeed: 400,
		fadespeed: 100,
		play: 3000,
		pause: 100,
		hoverpause: true
	});
}
function ntabs(thisobj,num)
{
	if(thisobj.classname == "active")return;
	var tabobj = thisobj.parentnode.id;
	var tablist = document.getelementbyid(tabobj).getelementsbytagname("li");
	for(i=0; i <tablist.length; i++)
	{
		if (i == num)
		{
		   	thisobj.classname = "active"; 
			document.getelementbyid(tabobj+"_content"+i).style.display = "block";
		}
		else
		{
		   	tablist[i].classname = "normal"; 
		   	document.getelementbyid(tabobj+"_content"+i).style.display = "none";
		}
	} 
}