function styleset(path){
dy=new Date();
dt=dy.getDate();
hr=dy.getHours();

dt--;
cdt=""+dt;
if (cdt.length ==2) {cdt=cdt.substring(1,2);}
if (cdt=="9") {cdt="0";}

if (Math.random()>0.9 || dt==30) {
	num=9;
	a=Math.floor(Math.random()*num);
	if (a==num){a=num-1;}
	cdt=""+a;
}

img_src=path+'_back/tsuru2'+cdt+'.gif';
tag="";
tag+='BODY{color:#000000;background-image:url('+img_src+');background-attachment:fixed;}';
tag+='BODY{font-family:MS UI Gothic;}';
tag+='.f12 {font-size:12px;}';

document.write('<STYLE TYPE="text/css"><!--');
document.write(tag);
document.write('--></STYLE>');
}


function img_set(path){
cb=cdt;
if (cdt=="0"){
	num=8; b=Math.floor(Math.random()*num);
	if (b==num){b=num-1;}
	b++; cb=""+b;
}
img_src=path+"_img/mail1"+cb+".gif";
document.write('<A href="mailto:ii@sennen.net"><IMG src='+img_src+' width="29" height="21" border="0" alt="折鶴にメールを書く"></A><BR>');
}