var myFocus={
//Design By Koen @ 2010.7.x
//http://hi.baidu.com/koen_li
//koen_lee@qq.com
$:function(id){return document.getElementById(id);},
$$:function(tag,obj){return (typeof obj=='object'?obj:this.$(obj)).getElementsByTagName(tag);},
linear:function(t,b,c,d){return c*t/d + b;},
easeIn:function(t,b,c,d){return c*(t/=d)*t*t*t + b;},
easeOut:function(t,b,c,d){return -c*((t=t/d-1)*t*t*t - 1) + b;},
opa:function(obj,v){
if(v!=undefined) {v=v>100?100:(v<0?0:v); obj.style.filter = "alpha(opacity=" + v + ")"; obj.style.opacity = (v / 100);}
else return (document.all)?((obj.filters.alpha)?obj.filters.alpha.opacity:100):((obj.style.opacity)?obj.style.opacity*100:100);
},
move:function(obj,dir,val,type,spd,fn){
var t=0,b=parseInt(obj.style[dir])||0,c=val-b,d=spd||50,st=type||'linear',m=c>0?'ceil':'floor';
if(obj[dir+'timer']) clearInterval(obj[dir+'timer']);
obj[dir+'timer']=setInterval(function(){
if(t<d){obj.style[dir]=Math[m](myFocus[st](t++,b,c,d))+'px';}
else {clearInterval(obj[dir+'timer']);fn&&fn.call(myFocus);}
},10);return this;
},
fade:function(obj,type,spd,fn){
var o=this.opa(obj),m=spd||5;
if(o==0) obj.style.display='';
if(type=='out') m=-m;
if(obj.fadeTimer) clearInterval(obj.fadeTimer);
obj.fadeTimer=setInterval(function(){
o+=m;myFocus.opa(obj,o);
if(o<=0) obj.style.display='none';
if(o>=100||o<=0){clearInterval(obj.fadeTimer);fn&&fn.call(myFocus);}
},10);return this;
},
addList:function(obj,cla,arr){
var s=[],n=this.$$('li',this.$$('ul',obj)[0]).length,num=cla.length;
for(var j=0;j<num;j++){
s.push('<ul class='+cla[j]+'>');
for(var i=0;i<n;i++){s.push('<li>'+(cla[j]=='num'?(i+1):(cla[j]=='txt'?this.$$('li',obj)[i].innerHTML.replace(/<img.*?>/i,this.$$('img',obj)[i].alt):''))+'<span></span></li>')};
s.push('</ul>');
}; obj.innerHTML+=s.join('');
},
setting:function(par){//设置DOM/文档加载就绪后执行的任务
if(window.attachEvent){window.attachEvent('onload',function(){myFocus[par.style](par)});}
　　		else{window.addEventListener('load',function(){myFocus[par.style](par)},false);}
},
mF_expo2010:function(par){
var box=this.$(par.id),t=par.time*3000;
this.addList(box,['txt-bg','txt','num-bg','num']);
var pic=this.$$('ul',box)[0],txt=this.$$('ul',box)[2],num=this.$$('ul',box)[4],img=this.$$('li',pic),tip=this.$$('li',txt);
var H=tip[0].clientHeight+60;
var n=img.length;
var index=0;
for(var i=0;i<img.length;i++){this.opa(img[i],0); img[i].style.display='none'; tip[i].style.bottom=-H+'px'}
box.removeChild(this.$$('div',box)[0]);
this.fade(img[index],'in');
this.move(tip[index],'bottom',0,'easeOut',40)
this.$$('li',num)[index].className='current';
var run=function(idx){
myFocus.fade(img[index],'out');
myFocus.move(tip[index],'bottom',-H,'easeIn',10);
myFocus.$$('li',num)[index].className='';
if(index==n-1) index=-1;
var N=idx!=undefined?idx:index+1;
myFocus.fade(img[N],'in');
myFocus.move(tip[N],'bottom',0,'easeOut',40);
myFocus.$$('li',num)[N].className='current';
index=N;
}
var auto=setInterval(function(){run()},t);
for (var j=0;j<n;j++){
this.$$('li',num)[j].j=j;
this.$$('li',num)[j].onclick=function(){run(this.j)}
this.$$('li',num)[j].onmouseover=function(){if(!this.className) this.className = 'hover';}
this.$$('li',num)[j].onmouseout=function(){if(this.className=='hover') this.className ='';}
}
box.onmouseover=function(){clearInterval(auto);}
box.onmouseout=function(){auto=setInterval(function(){run()},t);}
}
}
myFocus.setting({style:'mF_expo2010',id:'myFocus',time:2});//style为风格样式，id为焦点图ID，time为每帧间隔时间(秒)

// nav menu
var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 



//产品分类导航

var menuids=["suckertree1"] //Enter id(s) of SuckerTree UL menus, separated by commas

function buildsubmenus(){
for (var i=0; i<menuids.length; i++){
  var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
    for (var t=0; t<ultags.length; t++){
    ultags[t].parentNode.getElementsByTagName("a")[0].className="subfolderstyle"
    ultags[t].parentNode.onmouseover=function(){
    this.getElementsByTagName("ul")[0].style.display="block"
    }
    ultags[t].parentNode.onmouseout=function(){
    this.getElementsByTagName("ul")[0].style.display="none"
    }
    }
  }
}

if (window.addEventListener)
window.addEventListener("load", buildsubmenus, false)
else if (window.attachEvent)
window.attachEvent("onload", buildsubmenus)



function comment_check() {
if ( document.form1.name.value == '' ) {
window.alert('请输入姓名^_^');
document.form1.name.focus();
return false;}

if ( document.form1.email.value.length> 0 &&!document.form1.email.value.indexOf('@')==-1|document.form1.email.value.indexOf('.')==-1 ) {
window.alert('请设置正确的Email地址，如:webmaster@126.com');
document.form1.email.focus();
return false;}

if(document.form1.qq.value.search(/^([0-9]*)([.]?)([0-9]*)$/)   ==   -1)   
      {   
  window.alert("QQ只能是数字^_^");   
document.form1.qq.focus();
return false;}

if ( document.form1.content.value == '' ) {
window.alert('请输入内容^_^');
document.form1.content.focus();
return false;}

if ( document.form1.verycode.value == '' ) {
window.alert('请输入验证码^_^');
document.form1.verycode.focus();
return false;}

return true;}