function topimg(){
	num = Math.floor(Math.random()*8)+1;
	document.write("<img src=\"images/top" + num + ".jpg\" width=\"670\" height=\"69\"><br>");
}

function popUp(url) {
sealWin=window.open(url,'win','toolbar=0,location=1,directories=0,status=1,menubar=1, scrollbars=1,resizable=1,width=500,height=450');
self.name = "mainWin";
}

function privacy() {
window.open('privacy.html','privacy','toolbar=0,location=0,directories=0,status=0,menubar=0, scrollbars=1,resizable=0,width=500,height=500');
}

function present() {
window.open('https://www2.bandaivisual.co.jp/robin/present.php','present','toolbar=0,location=0,directories=0,status=1,menubar=0, scrollbars=1,resizable=0,width=500,height=500');
}

function present_cal() {
window.open('https://www2.bandaivisual.co.jp/robin/present.php?shurui=cal','present_cal','toolbar=0,location=0,directories=0,status=1,menubar=0, scrollbars=1,resizable=0,width=500,height=500');
}

function present_card() {
window.open('https://www2.bandaivisual.co.jp/robin/present.php?shurui=card','present_card','toolbar=0,location=0,directories=0,status=1,menubar=0, scrollbars=1,resizable=0,width=500,height=500');
}

function history() {
window.name = "robin";
sub=window.open('history.html','history','toolbar=0,location=0,directories=0,status=0,menubar=0, scrollbars=1,resizable=0,width=350,height=400');
sub.focus();
}