function z(n,c){
	if(typeof(c) == 'undefined') c=''; else c="&c="+c;
	w=650; h=410;
	nw=window.open("http://www.ryojiikeda.com/largeimg.php?n="+n+"&t="+t+c,"ri_img","width="+w+",height="+h+",toolbar=no,location=no,derectories=no,status=no,menubar=no,scrollbars=yes,resizable=yes");
}

function contact(){
	w=640; h=600;
	window.open("http://www.ryojiikeda.com/contact.html",null,"width="+w+",height="+h+",toolbar=no,location=no,derectories=no,status=no,menubar=no,scrollbars=yes,resizable=yes");
}