var cpAD=new Array(); 
var cpADlink=new Array(); 
var cpADmsg=new Array(); 
var adNum=5; //定义了5个数组 
var coll=0; 

cpAD[0]="upimg/p1.gif"; //链接图片 
cpADlink[0]="http://www.cn-sanya.cn/syfq.html"; //链接URL 
cpADmsg[0]="到三亚旅游首选“三亚天赐阳光海岸度假中心”"; //状态栏提示信息 

cpAD[1]="upimg/p2.gif"; 
cpADlink[1]="http://www.cn-sanya.cn/syfq.html" 
cpADmsg[1]="到三亚旅游首选“三亚天赐阳光海岸度假中心”"; 

cpAD[2]="upimg/p3.gif"; 
cpADlink[2]="http://www.cn-sanya.cn/syfq.html"; 
cpADmsg[2]="到三亚旅游首选“三亚天赐阳光海岸度假中心”"; 

cpAD[3]="upimg/p4.gif"; 
cpADlink[3]="http://www.cn-sanya.cn/syfq.html"; 
cpADmsg[3]="到三亚旅游首选“三亚天赐阳光海岸度假中心”"; 

cpAD[4]="upimg/p5.gif"; 
cpADlink[4]="http://www.cn-sanya.cn/syfq.html"; 
cpADmsg[4]="到三亚旅游首选“三亚天赐阳光海岸度假中心”"; 

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="upimg/1-2.gif"; 
window.img2.src="upimg/2.gif"; 
window.img3.src="upimg/3.gif"; 
window.img4.src="upimg/4.gif"; 
window.img5.src="upimg/5.gif"; 
break; 
} 
case 1: 
{ 
window.img1.src="upimg/1.gif"; 
window.img2.src="upimg/2-2.gif"; 
window.img3.src="upimg/3.gif"; 
window.img4.src="upimg/4.gif"; 
window.img5.src="upimg/5.gif"; 
break; 
} 
case 2: 
{ 
window.img1.src="upimg/1.gif"; 
window.img2.src="upimg/2.gif"; 
window.img3.src="upimg/3-2.gif"; 
window.img4.src="upimg/4.gif"; 
window.img5.src="upimg/5.gif"; 
break; 
} 
case 3: 
{ 
window.img1.src="upimg/1.gif"; 
window.img2.src="upimg/2.gif"; 
window.img3.src="upimg/3.gif"; 
window.img4.src="upimg/4-2.gif"; 
window.img5.src="upimg/5.gif"; 
break; 
} 
case 4: 
{ 
window.img1.src="upimg/1.gif"; 
window.img2.src="upimg/2.gif"; 
window.img3.src="upimg/3.gif"; 
window.img4.src="upimg/4.gif"; 
window.img5.src="upimg/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="upimg/1-2.gif"; 
window.img2.src="upimg/2.gif"; 
window.img3.src="upimg/3.gif"; 
window.img4.src="upimg/4.gif"; 
window.img5.src="upimg/5.gif"; 
break; 
} 
case 1: 
{ 
window.img1.src="upimg/1.gif"; 
window.img2.src="upimg/2-2.gif"; 
window.img3.src="upimg/3.gif"; 
window.img4.src="upimg/4.gif"; 
window.img5.src="upimg/5.gif"; 
break; 
} 
case 2: 
{ 
window.img1.src="upimg/1.gif"; 
window.img2.src="upimg/2.gif"; 
window.img3.src="upimg/3-2.gif"; 
window.img4.src="upimg/4.gif"; 
window.img5.src="upimg/5.gif"; 
break; 
} 
case 3: 
{ 
window.img1.src="upimg/1.gif"; 
window.img2.src="upimg/2.gif"; 
window.img3.src="upimg/3.gif"; 
window.img4.src="upimg/4-2.gif"; 
window.img5.src="upimg/5.gif"; 
break; 
} 
case 4: 
{ 
window.img1.src="upimg/1.gif"; 
window.img2.src="upimg/2.gif"; 
window.img3.src="upimg/3.gif"; 
window.img4.src="upimg/4.gif"; 
window.img5.src="upimg/5-2.gif"; 
break; 
} 
} 
} 
if(adNum<cpAD.length-1)adNum++ ; 
else adNum=0; 
setTransition(); 
document.images.cpADrush.src=cpAD[adNum]; 
playTransition(); 
displayStatusMsg(); 
//定义了轮换时间 5s 
theTimer=setTimeout("nextAd()", 5000); 
} 

function setTransition(){ 
if (document.all){ 
cpADrush.filters.revealTrans.Transition=23; 
cpADrush.filters.revealTrans.apply(); 
} 

} 
function playTransition(){ 
if (document.all) 
cpADrush.filters.revealTrans.play() 
} 
function displayStatusMsg() { 
status=cpADmsg[adNum]; 
document.returnValue = true; 
}