draw a cube with gles library???

Hi,
i use symbian 9.2 shipped with opengl library. i try to draw a cube on the screen by opengl library. i want to draw the cube on special position, so i used function glLoadMatrixf( gl_para ), gl_para is float array stores matrix which represents some position, but it didn’t work.
the source code follows:

//draw
float gl_para[16];
GLfloat mat_ambient[] = {0.0, 0.0, 1.0, 1.0};
GLfloat mat_flash[] = {0.0, 0.0, 1.0, 1.0};
GLfloat mat_flash_shiny[] = {50.0};
GLfloat light_position[] = {100.0,-200.0,200.0,0.0};
GLfloat ambi[] = {0.1, 0.1, 0.1, 0.1};
GLfloat lightZeroColor[] = {0.9, 0.9, 0.9, 0.1};

glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glClearDepthf( 1.0 );
glClear(GL_DEPTH_BUFFER_BIT);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);


glMatrixMode(GL_MODELVIEW);
glLoadMatrixf( gl_para );

glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
glLightfv(GL_LIGHT0, GL_AMBIENT, ambi);
glLightfv(GL_LIGHT0, GL_DIFFUSE, lightZeroColor);
glMaterialfv(GL_FRONT, GL_SPECULAR, mat_flash);

any suggestion? Thank in advance.
Best wishes.
Mia