// JavaScript Document
var imgWidth=692;
var imgHeight=118;
var _timeOut_=8000;
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

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=6;
			apply();
			play(); 
		}
	}
	if (firstTime){ firstTime=false;timeOut=_timeOut_/2;}
	else{	 
		 now=(now>=imgUrl.length-1)?0:now+1;
		 f_img.src=imgUrl[now];
 		 f_img.alt=imgAlt[now];
		 //f_imgLink.href=imgLink[now];
		 f_text.innerHTML=imgText[now];
		 for (var i=0;i<count;i++) {eval('b'+i).className="button";}
		 eval('b'+now).className="on";		 
		 timeOut=_timeOut_;		
	}
	theTimer=setTimeout("change()", timeOut);
}
function b_change(num){
  window.clearInterval(theTimer);
  now=num-1;
  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('<img id="f_img" 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>');}
			//alert(imgUrl[(i-1)])
		}
		write('</div>');
		if (ver==1){write('<div id="f_line"></div>');}
	write('</div>');
	write('<div id="f_text">');
	    write(imgText[now]);
	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);