function preLoadPicture(a){heavyImage=new Image();heavyImage.src=CurUrl+a+".jpg"}var OriPicNum=0;var CurDocument=0;var CurPicNum=0;var CurUrl="";function getNextThumbNum(a){thumbs=new Array(1,2,3,4,5,7,8,10,11,13);for(i=0;i<thumbs.length;i++){if(thumbs[i]>a){return thumbs[i]}}return thumbs[0]}function nextThumbnail(a){if(CurDocument!=0&&a==CurDocument){document.getElementById("pic_"+CurDocument).src=CurUrl+CurPicNum+".jpg";nextthumb=getNextThumbNum(CurPicNum);preLoadPicture(nextthumb);CurPicNum=nextthumb;setTimeout("nextThumbnail("+CurDocument+")",1000)}}function stopThumbSlide(){TmpDoc=CurDocument;CurDocument=0;document.getElementById("pic_"+TmpDoc).src=CurUrl+OriPicNum+".jpg"}function startThumbSlide(a,b,c){if(CurDocument==0){OriPicNum=b;CurDocument=a;CurUrl=c;nextthumb=getNextThumbNum(b);preLoadPicture(nextthumb);CurPicNum=nextthumb;setTimeout("nextThumbnail("+CurDocument+")",20)}}