var nn = 1; var photonum = slideimages.length; var multipagestr = ''; for(var i = 0; i < photonum; i++) { multipagestr += ''; } multipagestr += '
 '+(i+1)+'
'; $('imgchang').innerHTML += multipagestr; change_img(); function change_img() { if(nn >= photonum) nn = 0; setFocus1(nn); tt=setTimeout('change_img()',4000); } function setFocus1(page) { nn = page + 1; for(var i = 0; i