JavaScript: Display a non-sized non-modal popup

// ***
// Displays a non-sized non-modal popup
// ***
function popUp(URL)
{
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1');");
}