function openLocationSelect() {
    window.name="mainWin";
    var popup_width=380;
    var popup_height=240;
    var leftPos = 0;
    var topPos = 0;
    if (screen) {
	leftPos = (screen.width - popup_width) / 2;
	topPos = (screen.height - popup_height) / 2;
    }
    LocationWindow = window.open('/weekly_specials/location_select.pl','LocationWin',
	'width='+popup_width+',height='+popup_height+',left='+leftPos+',top='+topPos);
}