<script type="text/javascript">

function getObj(name){

return document.getElementById(name);

}

function chclickimg(obj,k){ // 对象obj，对象序号k

obj.onmouseover=function(){

var tmp;

for (c=0;c<lis.length;c++){

if (c==k){

str = topTabArray[c].split('｜｜');

getObj('top_trun_image_src').src = str[0];

lis[c].className="new_show_on"

key=c;

}

else {

lis[c].className="new_show_off"

}

}

var obj=document.getElementById("img_area");

obj.filters.alpha.opacity = tou_ming_chu_zhi;

var interObj = setInterval(function(){

obj.filters.alpha.opacity+=5;

if(obj.filters.alpha.opacity=100){clearInterval(interObj);}

},100);

}

}

var tou_ming_chu_zhi=0;//设置透明初值

var bian_hua_su_du=8;

var topTabArray = new Array();//组织数据------- topTabArray[0] = "图片地址｜｜连接";

topTabArray[0] = " images/1.jpg｜｜#";

topTabArray[1] = " images/2.jpg｜｜#";

topTabArray[2] = " images/3.jpg｜｜#";

var key = 1;//记录当前的位置

var selects = getObj('select_num');

var lis = selects.getElementsByTagName('li');

for (var i=0;i<lis.length;i++){//绑定事件处理函数

chclickimg(lis[i],i);

}

lis[0].onmouseover();

</script>

更多信息请查看IT技术专栏