jmpImg = new Array();

jmpImg[0]="<a href='http://www.surfprogress.com/cgi-bin/shop_new/shop.cgi?order=&class=4&keyword=&FF=0&price_sort=2&pic_only='><img src='http://www.surfprogress.com/random01/assets_c/2011/11/1_r-thumb-autox150-357.jpg' title='ROIAL'/></a>";

jmpImg[1]="<a href='http://www.surfprogress.com/cgi-bin/shop_new/shop.cgi?order=&class=3&keyword=&FF=0&price_sort=2&pic_only='><img src='http://www.surfprogress.com/random01/assets_c/2011/11/1_in_2-thumb-autox150-356.jpg' title='INSP'/></a>";

jmpImg[2]="<a href='http://www.surfprogress.com/cgi-bin/shop_new/shop.cgi?order=&class=3&keyword=&FF=0&price_sort=2&pic_only='><img src='http://www.surfprogress.com/random01/assets_c/2011/11/1_in_1-thumb-autox150-355.jpg' title='INSP'/></a>";

jmpImg[3]="<a href='http://www.surfprogress.com/cgi-bin/shop_new/shop.cgi?order=&class=1&keyword=&FF=0&price_sort=2&pic_only='><img src='http://www.surfprogress.com/random01/assets_c/2011/11/1_b_2-thumb-autox150-354.jpg' title='BLOW'/></a>";

jmpImg[4]="<a href='http://www.surfprogress.com/cgi-bin/shop_new/shop.cgi?order=&class=1&keyword=&FF=0&price_sort=2&pic_only='><img src='http://www.surfprogress.com/random01/assets_c/2011/11/1_b_1-thumb-autox150-353.jpg' title='BLOW'/></a>";

jmpImg[5]="<a href='http://www.surfprogress.com/cgi-bin/shop_new/shop.cgi?order=&class=2&keyword=&FF=0&price_sort=2&pic_only='><img src='http://www.surfprogress.com/random01/assets_c/2011/11/1_73-thumb-autox150-352.jpg' title='セブンスリーアール'/></a>";

function raImg() {
var rr = parseInt(Math.random()*jmpImg.length);
document.write(jmpImg.slice(rr,rr+1)[0]);
jmpImg.splice(rr,1);
}