轮换广告代码加演示[&#106avascript实现]

王朝html/css/js·作者佚名  2006-11-24
窄屏简体版  字體: |||超大  

演示效果:http://www.webjx.com/htmldata/2005-11-26/test.html

<script LANGUAGE="javascript">

<!--

var cpAD=new Array();

var cpADlink=new Array();

var cpADmsg=new Array();

//定义了5个数组

var adNum=5;

var coll=0;

//ad/1.html 那时你链接的广告地址

cpAD[0]="banners/mba.gif";

cpADlink[0]="ad/1.html";

cpADmsg[0]="1";

cpAD[1]="banners/google.gif";

cpADlink[1]="ad/2.html"

cpADmsg[1]="2";

cpAD[2]="banners/2005.gif";

cpADlink[2]="ad/3.html";

cpADmsg[2]="3";

cpAD[3]="banners/cz8y.gif";

cpADlink[3]="ad/4.html";

cpADmsg[3]="4";

cpAD[4]="banners/JG_YUEDU.gif";

cpADlink[4]="ad/5.html";

cpADmsg[4]="5";

var preloadedimages=new Array();

for (i=1;i<cpAD.length;i++){

preloadedimages[i]=new Image();

preloadedimages[i].src=cpAD[i];

}

//跳转的URL地址

function jump2url()

{

jumpUrl=cpADlink[adNum];

jumpTarget='_blank';

if (jumpUrl != '')

{

if (jumpTarget != '')

window.open(jumpUrl,jumpTarget);

else location.href=jumpUrl;

}

}

//图片变化的函数

function changeimg(n)

{

adNum=n;

switch(adNum)

{

case 0:

{

window.img1.src="banners/1-2.gif";

window.img2.src="banners/2.gif";

window.img3.src="banners/3.gif";

window.img4.src="banners/4.gif";

window.img5.src="banners/5.gif";

break;

}

case 1:

{

window.img1.src="banners/1.gif";

window.img2.src="banners/2-2.gif";

window.img3.src="banners/3.gif";

window.img4.src="banners/4.gif";

window.img5.src="banners/5.gif";

break;

}

case 2:

{

window.img1.src="banners/1.gif";

window.img2.src="banners/2.gif";

window.img3.src="banners/3-2.gif";

window.img4.src="banners/4.gif";

window.img5.src="banners/5.gif";

break;

}

case 3:

{

window.img1.src="banners/1.gif";

window.img2.src="banners/2.gif";

window.img3.src="banners/3.gif";

window.img4.src="banners/4-2.gif";

window.img5.src="banners/5.gif";

break;

}

case 4:

{

window.img1.src="banners/1.gif";

window.img2.src="banners/2.gif";

window.img3.src="banners/3.gif";

window.img4.src="banners/4.gif";

window.img5.src="banners/5-2.gif";

break;

}

}

window.clearInterval(theTimer);

adNum=adNum-1;

nextAd();

}

//当点击时直接跳转

function nextAd(){

coll++;

if(coll>1)

{

switch(adNum+1)

{

case 5:

{

window.img1.src="banners/1-2.gif";

window.img2.src="banners/2.gif";

window.img3.src="banners/3.gif";

window.img4.src="banners/4.gif";

window.img5.src="banners/5.gif";

break;

}

case 1:

{

window.img1.src="banners/1.gif";

window.img2.src="banners/2-2.gif";

window.img3.src="banners/3.gif";

window.img4.src="banners/4.gif";

window.img5.src="banners/5.gif";

break;

}

case 2:

{

window.img1.src="banners/1.gif";

window.img2.src="banners/2.gif";

window.img3.src="banners/3-2.gif";

window.img4.src="banners/4.gif";

window.img5.src="banners/5.gif";

break;

}

case 3:

{

window.img1.src="banners/1.gif";

window.img2.src="banners/2.gif";

window.img3.src="banners/3.gif";

window.img4.src="banners/4-2.gif";

window.img5.src="banners/5.gif";

break;

}

case 4:

{

window.img1.src="banners/1.gif";

window.img2.src="banners/2.gif";

window.img3.src="banners/3.gif";

window.img4.src="banners/4.gif";

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