var img=new Array(); var imgb=new Array(); img[0]="http://file.youboy.com/a/34/20/28/3/1902763s.jpg"; imgb[0]="http://file.youboy.com/a/34/20/28/3/1902763.jpg"; img[1]="http://file.youboy.com/a/34/20/28/6/1902476s.jpg"; imgb[1]="http://file.youboy.com/a/34/20/28/6/1902476.jpg"; img[2]="http://file.youboy.com/a/34/20/28/0/1902470s.jpg"; imgb[2]="http://file.youboy.com/a/34/20/28/0/1902470.jpg"; img[3]="http://file.youboy.com/a/34/20/28/2/1902472s.jpg"; imgb[3]="http://file.youboy.com/a/34/20/28/2/1902472.jpg"; var i=0; function selpic(current) { var sum=4; if(current>=sum) {current=0;i=0;} if(img[current]!="") { document.getElementById("bigimg").innerHTML=""; i=i+1;} else i=i+1;}