var pHealthBar1 = 50;
	PANEL* myHPpanel = malloc(sizeof(HPpanel));
	myHPpanel = pan_create("flags = VISIBLE;window (0, 0, 100, 10, healthbar_bmp, pHealthBar1, 0);",4);
//	pan_setvar(myHPpanel,5,1.0,&pHealthBar1);
	pHealthBar1 = (100*(player.hplvl-pHealth)/player.hplvl);

action eTank()
{
	PANEL* hPan;			//declare a panel pointer for the health bar
	VECTOR test;			//declare a vector to test if the smoke vector is visible
	VECTOR hSpot;			//declare a vector for the healthbar position
        ....//bunch of parameters and such that has nothing to do with the healthbar
	hPan = pan_create(NULL,9999);						//create a panel for the healthbar
	set(hPan,VISIBLE | LIGHT | TRANSLUCENT);		//set the panel's flags, visible, light and translucent
	hPan.alpha = 50;										//set its transparency to 50
	hPan.size_y = 10;	 												//make the y component a constant ten
	while(my.health > 0)
	{
		vec_set(hSpot,my.x);											//set hSpot to my position
		vec_to_screen(hSpot,camera);								//convert hSpot to screen coordinates
		hPan.pos_x = hSpot.x - (0.5 * (hPan.size_x));		//place the health panel so it is centered on the tank
		hPan.pos_y = hSpot.y - 40;
		hPan.size_x = 100 * (my.health / my.maxHealth);		//make the size dependant on the tank's % of health											
		vec_set(hPan.blue,vector(0,200,0));

                //the rest of the code
      }
 
}