GLCD Sp14n003 Connection to ArduinO UNO

could anyone please help me with the connections of SP14N003 to Arduino UNO.
the GLCD is based on LC7981 and it needs a -15v input..i dont know where i am going wrong but i am not able to display anything on it..just the backlight is available but no text or anything...
if anybody out there has a solution please respond..i'll give my contact details to get u in touch

Pleasae look at http://forum.arduino.cc/index.php?topic=476088.0