function WindPop(sURL, sMapLocation)
{
iWidth  = 480;
iHeight = 450;
iLeft   = (screen.width - iWidth) / 2;
iTop    = (screen.height - iHeight) / 2;

newWindow = window.open(sURL + sMapLocation + '.jpg', 'ZagrebCardMap', 'left = ' + iLeft + ',top = ' + iTop + ',width=' + iWidth + ',height=' + iHeight + ',resizable=yes,scrollbars=yes');
}