var newwindow = '';

function popup(url)
{
	if (!newwindow.closed && newwindow.location)
	{
		newwindow.location.href = url;
	}
	else
	{
		newwindow=window.open(url,'Popup','height=300,width=250,scrollbars=yes');
		if (!newwindow.opener) newwindow.opener = self;
	}
	if (window.focus) {newwindow.focus()}
	return false;
}

function capture(event, target) {
	if (event.keyCode == 13) {
        var defaultButton;
        if (document.getElementById) {
            defaultButton = document.getElementById(target);
        }
        else {
            defaultButton = document.all[target];
        }
        if (defaultButton && typeof(defaultButton.click) != "undefined") {
            defaultButton.click();
            return false;
        }
    }
    return true;
}