親のホームページを殺して、新しいページを開きます.

<SCRIPT language=JavaScript>
function closeWindow() {
	window.opener='null';
	window.close();
}
var top = (window.screen.Height-480)/2;
var Height = (window.screen.width-640)/2;
var theDate = new Date();
var winName = theDate.getTime();
var mainwin = window.open("source/index1.html", winName, "top="+top+", left="+Height+",width=640,height=480' Toolbar=no, menubar=no, scrollbars=no, status=no, location=no, resizable=no, directories=no");
closeWindow();
</SCRIPT>