glPushAttrib( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_ENABLE_BIT | GL_POLYGON_BIT | GL_STENCIL_BUFFER_BIT );
	glDisable( GL_LIGHTING );					/* Turn Off Lighting*/
	glDepthMask( GL_FALSE );					/* Turn Off Writing To The Depth-Buffer*/
	glDepthFunc( GL_LEQUAL );
	glEnable( GL_STENCIL_TEST );					/* Turn On Stencil Buffer Testing*/
	glColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );		/* Don't Draw Into The Colour Buffer*/
	glStencilFunc( GL_ALWAYS, 1, 0xFFFFFFFFL );
	/* First Pass. Increase Stencil Value In The Shadow*/
	glFrontFace( GL_CCW );
	glStencilOp( GL_KEEP, GL_KEEP, GL_INCR );
	doShadowPass( object, lightPosition );
	/* Second Pass. Decrease Stencil Value In The Shadow*/
	glFrontFace( GL_CW );
	glStencilOp( GL_KEEP, GL_KEEP, GL_DECR );
	//glDepthFunc(GL_GEQUAL);
	doShadowPass( object, lightPosition );
	//glDepthFunc( GL_LEQUAL );
	glFrontFace( GL_CCW );
	glColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );	/* Enable Rendering To Colour Buffer For All Components*/

	/* Draw A Shadowing Rectangle Covering The Entire Screen*/
	glColor4f( 0.0f, 0.0f, 0.0f, 0.4f );
	glEnable( GL_BLEND );
	glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
	glStencilFunc( GL_NOTEQUAL, 0, 0xFFFFFFFFL );
	glStencilOp( GL_KEEP, GL_KEEP, GL_KEEP );
	glPushMatrix();
	glLoadIdentity();
	glBegin( GL_TRIANGLE_STRIP );
		glVertex3f(-0.1f, 0.1f,-0.10f);
		glVertex3f(-0.1f,-0.1f,-0.10f);
		glVertex3f( 0.1f, 0.1f,-0.10f);
		glVertex3f( 0.1f,-0.1f,-0.10f);
	glEnd();
	glPopMatrix();
	glPopAttrib();