// JavaScript For Rock and Roll pictures	written by xking

var currslid = 0;	//对象编号
var slidint;	//定时执行变量
var myFocpic = document.getElementById("focpic");	//图片对象
var myFoclnk = document.getElementById("foclnk");	//图片链接对象

function setfoc(id)
{
	myFocpic.src = picarry[id];
	myFocpic.alt = ttlarry[id];
	myFoclnk.href = lnkarry[id];
	
	currslid = id;
	
	myFocpic.style.visibility = "hidden";	
	//myFocpic.filters[0].Apply();
	
	if (myFocpic.style.visibility == "visible")
	{
		myFocpic.style.visibility = "hidden";
		//myFocpic.filters.revealTrans.transition=23;
	}
	else
	{
		myFocpic.style.visibility = "visible";
		//myFocpic.filters[0].transition=23;
	}
	
	//myFocpic.filters[0].Play();	//注释是国为IE与FF不兼容
	stopit();
}

function playnext()
{	
	currslid = ((picarry[currslid + 1] == null || picarry[currslid + 1] == "") ? 0 : (currslid + 1));	
	setfoc(currslid);	
	playit();
}
function playit()
{
	slidint = setTimeout(playnext,4000);	
}
function stopit()
{
	clearTimeout(slidint);
}

//window.onload = function()
//{	
	myFocpic.src = picarry[currslid];	
	myFocpic.alt = ttlarry[currslid];
	myFoclnk.href = lnkarry[currslid];	

	playit();
//}



//以下是首页新闻图片滚动js

//根据ID获取页面对象通用函数
function leogetEid(A)
{
	return document.getElementById(A)
}

function classNormal(B,D)
{
	var F=leogetEid(B).getElementsByTagName("li");
	var C=leogetEid(D).getElementsByTagName("li");
	//var E=leogetEid(G).getElementsByTagName("li");
	for(var A=0;A<C.length;A++)
	{
		F[A].className="normal4";
		C[A].className="normal4";
		//E[A].className="normal"
	}
}

function classCurrent(A,C,F)
{
	var E=leogetEid(A).getElementsByTagName("li");
	var B=leogetEid(C).getElementsByTagName("li");
	//var D=leogetEid(G).getElementsByTagName("li");
	E[F].className="current4";
	B[F].className="current4";
	//D[F].className="current";
}

function iFocusDis()
{
	curAlen = (curAlen + 1 > 3 ) ? 0 : (curAlen + 1);
	classNormal("ifocus_piclist","ifocus_btn");
	classCurrent("ifocus_piclist","ifocus_btn",curAlen);
	clearInterval(intTimer);
	intTimer = setInterval(iFocusDis, 4000);
}

function iFocusChange()
{
	if(!leogetEid("hot_b_a"))
	{		
		return false
	}	
	var A=leogetEid("ifocus_btn").getElementsByTagName("li");
	
	A[0].onmouseover=function()
	{
		curAlen = 3;
		iFocusDis();
	};
	A[1].onmouseover=function()
	{
		curAlen = 0;
		iFocusDis();
	};
	A[2].onmouseover=function()
	{
		curAlen = 1;
		iFocusDis();
	};
	A[3].onmouseover=function()
	{
		curAlen = 2;
		iFocusDis();
	}
	iFocusDis();
}



//首页右侧课程广告 09.05.12,因未兼容FF弃用
//var showad = true;
//var Toppx = 200;   //上端位置
//var AdDivW = 100;  //宽度
//var AdDivH = 300;  //高度
//var PageWidth = 800; //页面多少宽度象素下正好不出现左右滚动条
//var MinScreenW = 1024; //显示广告的最小屏幕宽度象素 
//var ClosebuttonHtml = '<div style="position: absolute;top:0px;right:0px;margin:2px;padding:2px;z-index:2000;"><a href="javascript:;" onclick="hidead()" style="color:red;text-decoration:none;font-size:12px;">关闭</a></div>'
//var AdContentHtml = '<a href="http://www.qz18.net/product/course2/couIntr.html" target="_blank"><img src="http://www.qz18.net/images/coursead2.jpg" width="100" height="300" border="0"></a>';
////document.write ('<div id="Javascript.LeftDiv" style="position: absolute;border: 1px solid #336699;background-color:#EEEEE2;z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'+ClosebuttonHtml+'<div>'+AdContentHtml+'</div></div>');
////document.write ('<div id="Javascript.RightDiv" style="position: absolute;border: 1px solid #336699;background-color:#EEEEE2;z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'+ClosebuttonHtml+'<div>'+AdContentHtml+'</div></div>');
//function scall(){
//	
// if(!showad){return;}
// if (window.screen.width<MinScreenW){
//  alert("临时提示：\n\n显示器分辨率宽度小于"+MinScreenW+",不显示广告");
//  showad = false;
//  //document.getElementById("Javascript.LeftDiv").style.display="none";
//  document.getElementById("Javascript.RightDiv").style.display="none";
//  return;
// }
// var Borderpx = ((window.screen.width-PageWidth)/4-AdDivW)/4;
//
// //document.getElementById("Javascript.LeftDiv").style.display="";
// //document.getElementById("Javascript.LeftDiv").style.top=document.body.scrollTop+Toppx;
// //document.getElementById("Javascript.LeftDiv").style.left=document.body.scrollLeft+Borderpx;
// document.getElementById("Javascript.RightDiv").style.display="";
// document.getElementById("Javascript.RightDiv").style.top=document.documentElement.scrollTop+Toppx;
// document.getElementById("Javascript.RightDiv").style.left=document.documentElement.scrollLeft+document.documentElement.clientWidth-document.getElementById("Javascript.RightDiv").offsetWidth-Borderpx;
//}
//
//function hidead()
//{
// showad = false;
// //document.getElementById("Javascript.LeftDiv").style.display="none";
// document.getElementById("Javascript.RightDiv").style.display="none";
//}
//window.onscroll=scall;
//window.onresize=scall;
//window.onload=scall;
//-->