day0 = new Date();
day0.setTime(day0.getTime()+60*60*24*1000);
endday = day0.toGMTString();
function sav_cook(image){
document.cookie ="bg=" + escape(image) +";path=/"+";expires=" + endday;
}
function get_cook(bg){
coktxt = document.cookie+";";
stano = coktxt.indexOf(bg);
if(stano != -1){
endno = coktxt.indexOf(";",stano);
image_ad = unescape(coktxt.substring(stano+bg.length+1,endno));}
else{image_ad = "/image/haru/ii0409.gif";}
return image_ad;
}
function bgimg(){
document.body.background=get_cook('bg');
}