Usage:
http://tracking.rowi.net/text.php?imei=123456789012345 or ..?phone=0049123456789

Optional:
limit=<1...n>
minspeed=<0..3000>
day=today (or a date or 1 week ago or ...)
onlyvalidcoordinates=yesi
resolvecid=yes (resolving CellIDs to positions)
onlyignition=yes (show only ignition_on and ignition_off)
onlypoi=yes (show only POIs)

Colorcodes in Message element: green, red, yellow, blue, purple