function linkalert( siteName , URL ){
	var cfm = confirm(siteName + "のサイトにリンクします");
	if (cfm){
		var win=window.open(URL)
		win.focus();
	}
}
function openSubwin(page,name,x,y){
	sub1=window.open(page,name,"toolbar=no,resizable=yes,menubar=no,directories=no,scrollbars=auto,status=no,location=no,width="+x+",height="+y);
}
function openSubwin2(page, name, x, y){
	var o = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes';
	o += ',width=' + x + ',height=' + y;
	var w = window.open(page, name, o);
	w.focus();
	w.moveTo((screen.availWidth-x)/2,(screen.availHeight-y)/2);
	if (window.event) window.event.returnValue = false;
	return w;
}
function openSearch(){
	openSubwin("http://www.shibaura-rent.com/roomsearch/?action_search=true","room_search",936,620);
}