<!--

var handle;

function pop_handler() {
	if (handle) {
		handle.close();
	}
}

function open_window(url, width, height) {
    var version;

	if (handle) {
		handle.close();
	}

	handle = window.open(url, 'window_name', 'top=0,left=0,width=' + width + ',height=' + height + ',scrollbars');
    version = navigator.appVersion.substring(0,1);
    if (version!="2") handle.focus();
}

// -->