var sohuAD=new Array(); 
var adNum=-1+1;
sohuAD[1] ='cp/1.jpg';
sohuAD[2] ='cp/2.jpg';
sohuAD[3] ='cp/3.jpg';
sohuAD[4] ='cp/4.jpg';
sohuAD[5] ='cp/5.jpg';
sohuAD[6] ='cp/6.jpg';
sohuAD[7] ='cp/7.jpg';
sohuAD[8] ='cp/8.jpg';
sohuAD[9] ='cp/9.jpg';
sohuAD[10] ='cp/10.jpg';
sohuAD[11] ='cp/11.jpg';
sohuAD[12] ='cp/12.jpg';
sohuAD[13] ='cp/13.jpg';
sohuAD[14] ='cp/14.jpg';
sohuAD[15] ='cp/15.jpg';
sohuAD[16] ='cp/16.jpg';
sohuAD[17] ='cp/17.jpg';
sohuAD[18] ='cp/18.jpg';

var preloadedimages=new Array(); 
for (i=1;i<sohuAD.length;i++){ 
preloadedimages[i]=new Image(); 
preloadedimages[i].src=sohuAD[i]; 
} 

function setTransition(){ 
if (document.all){ 
sohuADrush.filters.revealTrans.Transition=30; 
sohuADrush.filters.revealTrans.apply(); 
} 
} 

function playTransition(){ 
if (document.all) 
sohuADrush.filters.revealTrans.play() 
} 

function nextAd(){ 
if(adNum<sohuAD.length-1)adNum++ ; 
else adNum=1; 
setTransition(); 
document.images.sohuADrush.src=sohuAD[adNum]; 
playTransition(); 
theTimer=setTimeout("nextAd()", 5000); 
}