var imgUrl = new Array();
var imgText = new Array();
var imgLink = new Array();
var imgAlt= new Array();
var imgWidth=987;
var imgHeight=254;//这里的高度小于CSS里的高度字就会出来，和CSS一样时文字就不出来了
var _timeOut_=5000;
var timeOut=_timeOut_;
var timeOut2=_timeOut_/2;//onmouseout img后需要切换的时间
var now=0;
var firstTime=true;
var target="_blank";   //打开方式
var ver=2; //兼容浏览器版本 默认2 为非ie
imgUrl[0]='images/hd2.gif';
imgText[0]='.';
imgLink[0]='#';
imgAlt[0]='.';
imgUrl[1]='images/hd3.gif';
imgText[1]='.';
imgLink[1]='#';
imgAlt[1]='.';
imgUrl[2]='images/hd4.gif';
imgText[2]='.';
imgLink[2]='#';
imgAlt[2]='.';
imgUrl[3]='images/hd5.gif';
imgText[3]='.';
imgLink[3]='#';
imgAlt[3]='.';
imgUrl[4]='images/hd1.gif';
imgText[4]='.';
imgLink[4]='#';
imgAlt[4]='.';
var count=0;
for (i=0;i<imgUrl.length;i++) {
if( (imgUrl[i]!="") && (imgText[i]!="")&& (imgLink[i]!="")&& (imgAlt[i]!="")) {
count++;
} else {
break;
}}
function change(){
if (ver==1){
with(eval('f_img').filters.revealTrans){
Transition=23;
apply();
play(); 
}}
if (firstTime){ firstTime=false;timeOut=_timeOut_/2;}
else{ 
f_img.src=imgUrl[now];
f_img.alt=imgAlt[now];
f_imgLink.href=imgLink[now];
f_text.innerHTML="<a href='"+imgLink[now]+"' target='"+target+"'>"+imgText[now]+"</a>";
for (var i=0;i<count;i++) {eval('b'+i).className="button";}
eval('b'+now).className="on"; 
now=(now>=imgUrl.length-1)?0:now+1;
timeOut=_timeOut_;}
theTimer=setTimeout("change()", timeOut);}
function b_change(num){
window.clearInterval(theTimer);
now=num;
firstTime=false;
change();}
try{  //ie版本
	new ActiveXObject("DXImageTransform.Microsoft.revealTrans");
	ver=1; }
catch (e){ver=2;}
//表现层 start
with(document){
write('<div id="f_div">'); 
write('<div id="f_imgDiv">');
write('<a id="f_imgLink" target='+target+' href="'+imgLink[now]+'">');
write('<img id="f_img" width='+imgWidth+' height='+imgHeight+' src="'+imgUrl[now]+'" alt="'+imgAlt[now]+'">');
write('</a>');
write('</div>');
write('<div id="f_buttonDiv">');
write('<div id="button_bg">');
for (var i=count;i>0;i--){ 
 if(i==now+1){write('<a id="b'+(i-1)+'" class="on" href="javascript:b_change('+(i-1)+')" onfocus="blur()" title="'+imgAlt[(i-1)]+'">'+i+'</a>');}
else{write('<a id="b'+(i-1)+'" href="javascript:b_change('+(i-1)+')" onfocus="blur()"  title="'+imgAlt[(i-1)]+'">'+i+'</a>');}}
write('</div>');
if (ver==1){write('<div id="f_line"></div>');}
write('</div>');
write('<div id="f_text">');
write('<a id="tys" target='+target+' href="'+imgLink[now]+'">');
write(imgText[now]);
write('</a>');
write('</div>');
write('</div>');}
//表现层 end 
f_img.onmouseover=function(){window.clearInterval(theTimer);} 
f_img.onmouseout=function(){theTimer=setTimeout("change()", timeOut2);}
var theTimer = setTimeout("change()", _timeOut_/2);