// JavaScript Document


//滚动图片
var speed=1;//每次移动距离(象素)
var spTiem=20;//每多少时间移动(毫秒)
var no;
var fanx=1; //方向1向左，2向右
var picSwidth=66;

var EntBigPic=document.getElementById("Ent_BigPic");
var EntAllSam=document.getElementById("Ent_allPic");
var FirEntApiNum=document.getElementById("Ent_allPic").getElementsByTagName("div");

if(FirEntApiNum.length>3){
var shouA=EntAllSam.innerHTML;
var shouB=EntAllSam.innerHTML;
document.getElementById("Ent_allPic").innerHTML=shouA+shouB;
}

var EntAllPic=document.getElementById("Ent_allPic").getElementsByTagName("div");
var EntApiNum=EntAllPic.length;

if(fanx==1){
	for(i=0;i<EntApiNum;i++){
	  if(i==0)
		EntAllPic.item(i).className="active";
	  EntAllPic.item(i).style.left=i*picSwidth;
	}
	//EntchangeImg(EntAllPic.item(0));
}

if(fanx==2){
  for(i=0;i<EntApiNum;i++){
	  if(i==EntApiNum/2){
		EntAllPic.item(i).className="active";
	  }
	  EntAllPic.item(i).style.left=i*picSwidth-picSwidth*(EntApiNum/2);
  }
  //EntchangeImg(EntAllPic.item(EntApiNum/2));
}
var aa;
if(EntApiNum>6)
{
  aa=setInterval('goLeft('+fanx+')',spTiem);
}

function goLeft(dicNum){
  for(i=0;i<EntApiNum;i++){
	no=parseInt((EntAllPic.item(i).style.left).replace("px",""));
	if(dicNum==1)
	{
      if(i==EntApiNum/2 && no==5){
	    document.getElementById("Ent_allPic").innerHTML=shouA+shouB;
		for(i=0;i<EntApiNum;i++){
		  EntAllPic.item(i).style.left=i*picSwidth;
		}
		clearInterval(aa);
		aa=setInterval('goLeft(1)',spTiem);
	  }else{
	    EntAllPic.item(i).style.left=no-speed;
	  }
	}else{
	  if(i==0 && no==0){
	    document.getElementById("Ent_allPic").innerHTML=shouA+shouB;
		for(i=0;i<EntApiNum;i++){
		  EntAllPic.item(i).style.left=i*picSwidth-picSwidth*(EntApiNum/2);
		}
		clearInterval(aa);
		aa=setInterval('goLeft(2)',spTiem);
	  }else{
	    EntAllPic.item(i).style.left=no+speed;
	  }
	}
  }
}

function EntchangeImg(str){
	/*
	for(i=0;i<EntApiNum;i++){
	  	EntAllPic.item(i).style.filter="alpha(opacity=50)";
	}
	str.style.filter="alpha(opacity=100)";
	document.getElementById("thisShowTitle").innerHTML=str.getElementsByTagName("a").item(0).getElementsByTagName("img").item(0).alt;
  	EntBigPic.src=str.getElementsByTagName("a").item(0).getElementsByTagName("img").item(0).src;
	*/
}


function goshowpic(url,str){
	var BigPicSrcA=document.getElementById("BigPicSrc");
	var BigPicTitleB=document.getElementById("BigPicTitle");
	BigPicTitleB.innerHTML="<a href='"+url+"'>"+str.title+"</a>";
	BigPicSrcA.src=(str.getElementsByTagName("img").item(0).src).replace("gunimg","gunimg/small");
	for(i=0;i<EntApiNum;i++){
		EntAllPic.item(i).className="";
	}
	str.className="active";
}


EntAllSam.onmouseover=function() {clearInterval(aa);}
EntAllSam.onmouseout=function() {if(EntApiNum>3){aa=setInterval('goLeft('+fanx+')',spTiem);}}

document.getElementById("MLCLStoLeft").onclick=function(){
	clearInterval(aa);
	if(EntApiNum>3){aa=setInterval('goLeft(1)',spTiem);}fanx=1;
	
}
document.getElementById("MLCLStoRight").onclick=function(){
	clearInterval(aa);
	if(EntApiNum>3){aa=setInterval('goLeft(2)',spTiem);}fanx=2;

}