var imgWidth=520;              //图片宽
var imgHeight=216;             //图片高
var textFromHeight=0;         //焦点字框高度 (单位为px)
var textStyle="f12";           //焦点字class style (不是连接class)
var textLinkStyle="p1"; //焦点字连接class style
var buttonLineOn="#ED6327";           //button获得焦点的颜色
var buttonLineOff="#000000";          //button失去焦点的颜色
var TimeOut=5000;              //每张图切换时间 (单位毫秒);
var imgUrl=new Array(); 
var imgLink=new Array();
var imgtext=new Array();
var imgAlt=new Array();
var adNum=0;
//焦点字框高度样式表 开始
document.write('<style type="text/css">');
document.write('#focuseFrom{width:520;margin: 0px; padding:0px;height:216;overflow:hidden;}');
document.write('#txtFrom{height:'+textFromHeight+'px;line-height:'+textFromHeight+'px;overflow:hidden;}');
document.write('#imgTitle{width:'+imgWidth+';top:-'+(textFromHeight+18)+'px;}');
document.write('</style>');
document.write('<div id="focuseFrom">');
//焦点字框高度样式表 结束

imgUrl[1]='/ShangChuanTu/2008106191954193.jpg';
imgtext[1]='<A HREF="http://www.bj616.com/huiyi/" TARGET="_blank" class="'+textLinkStyle+'">会议</A>';
imgLink[1]='http://www.bj616.com/huiyi/'
imgAlt[1]='会议';

imgUrl[2]='/ShangChuanTu/2008106183747103.jpg';
imgtext[2]='<A HREF="http://www.bj616.com/jingjiaoyou/index_nianhui.htm" TARGET="_blank" class="'+textLinkStyle+'">年会</A>';
imgLink[2]='http://www.bj616.com/jingjiaoyou/index_nianhui.htm'
imgAlt[2]='年会';

imgUrl[3]='/ShangChuanTu/2008722191432595.jpg';
imgtext[3]='<A HREF="http://www.bj616.com/jingjiaoyou/" TARGET="_blank" class="'+textLinkStyle+'">京郊游</A>';
imgLink[3]='http://www.bj616.com/jingjiaoyou/'
imgAlt[3]='京郊游';



function changeimg(n)
{
	adNum=n;
	window.clearInterval(theTimer);
	adNum=adNum-1;
	nextAd();
}
function goUrl(){
window.open(imgLink[adNum],'_blank');
}
//NetScape开始
if (navigator.appName == "Netscape")
{
document.write('<style type="text/css">');
document.write('.buttonDiv{height:1px;width:21px;}');
document.write('</style>');
function nextAd(){
	if(adNum<(imgUrl.length-1))adNum++;
	else adNum=1;
	theTimer=setTimeout("nextAd()", TimeOut);
	document.images.imgInit.src=imgUrl[adNum];
	document.images.imgInit.alt=imgAlt[adNum];	
    document.getElementById('focustext').innerHTML=imgtext[adNum];
	document.getElementById('imgLink').href=imgLink[adNum];

}
	document.write('<a id="imgLink" href="'+imgLink[1]+'" target=_blank class="p1"><img src="'+imgUrl[1]+'" name="imgInit" width='+imgWidth+' height='+imgHeight+' border=1 alt="'+imgAlt[1]+'" class="imgClass"></a><div id="txtFrom"><span id="focustext" class="'+textStyle+'">'+imgtext[1]+'</span></div>')
	document.write('<div id="imgTitle">');
	document.write('<div id="imgTitle_down">');
//数字按钮代码结束
	document.write('</div>');
	document.write('</div>');
	document.write('</div>');
	nextAd();
}
//NetScape结束
//IE开始
else
{
var count=0;
for (i=1;i<imgUrl.length;i++) {
	if( (imgUrl[i]!="") && (imgLink[i]!="")&&(imgtext[i]!="")&&(imgAlt[i]!="") ) {
		count++;
	} else {
		break;
	}
}
function playTran(){
	if (document.all)
		imgInit.filters.revealTrans.play();		
}
var key=0;
function nextAd(){
	if(adNum<count)adNum++ ;
	else adNum=1;
	
	if( key==0 ){
		key=1;
	} else if (document.all){
		imgInit.filters.revealTrans.Transition=6;//图片切换方式
		imgInit.filters.revealTrans.apply();
                   playTran();
    }
	document.images.imgInit.src=imgUrl[adNum];
	document.images.imgInit.alt=imgAlt[adNum];	
	document.getElementById('link'+adNum).style.background=buttonLineOn;//按钮得到焦点时颜色：橘红色
	for (var i=1;i<=count;i++)
	{
	   if (i!=adNum){document.getElementById('link'+i).style.background=buttonLineOff;}//按钮失去焦点时颜色：棕色
	}	
    focustext.innerHTML=imgtext[adNum];
	theTimer=setTimeout("nextAd()", TimeOut);
}
document.write('<a target=_self href="javascript:goUrl()"><img style="FILTER: revealTrans(duration=1,transition=5);" src="javascript:nextAd()" width='+imgWidth+' height='+imgHeight+' border=0 vspace="0" name=imgInit class="imgClass"></a>');
document.write('<div id="txtFrom"><span id="focustext" class="'+textStyle+'"></span></div>');
document.write('<div id="imgTitle">');
document.write(' <div id="imgTitle_down"> <a class="trans"></a>');
//数字按钮代码开始
for(var i=1;i<imgUrl.length;i++){document.write('<a id="link'+i+'"  href="javascript:changeimg('+i+')" class="button" style="cursor:hand" title="'+imgAlt[i]+'" onFocus="this.blur()">'+i+'</a>');}
//数字按钮代码结束
document.write('</div>');
document.write('</div>');
document.write('</div>');
}
//IE结束