glOrtho(0,scrWidth,0,scrHeight,-1,1);						// Set Up An Ortho Screen with no z-buffer


	glMatrixMode(GL_MODELVIEW);									// Select The Modelview Matrix

	glLoadIdentity();

	glPushMatrix();											// Store The Modelview Matrix

		glDisable(GL_TEXTURE_2D);
		glEnable(GL_BLEND);
		glColor4f(1.0f, 0.0f, 0.0f, 0.1f);

		glBegin(GL_QUADS);
			glVertex2f(   0.0f,   0.0f);
			glVertex2f(   0.0f, 100.0f);
			glVertex2f( 100.0f, 100.0f);
			glVertex2f( 100.0f,   0.0f);
		glEnd();

		glEnable(GL_TEXTURE_2D);
		glDisable(GL_BLEND);
		glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
	glPopMatrix();											// Restore The Old Projection Matrix