like this???
///////////////////////////////
bmap bmap_minimap001="er.bmp";
bmap bmap_player_dot="player_dot.bmp";
var level_width[2]=1600,-1600;
var level_height[2]=1600,-1600;
var minimap_size[2]=256,256;
entity* guard_mdl_2754;
panel panel_minimap00
{
bmap = bmap_minimap001;
pos_x = 0;
pos_y = 0;
;

flags = refresh,visible;
alpha = 100;
layer=3;
}
panel panel_player_dot000
{
bmap = bmap_player_dot;
pos_x = 0;
pos_y = 0;

flags = refresh,visible;
alpha = 100;
layer=4;
}

function minimap
{
while(1)
{panel_player_dot000.pos_x = panel_minimap00.pos_x + minimap_size.x * (guard_mdl_2754.x/(level_width[0]-level_width[1]));
panel_player_dot000.pos_y = panel_minimap00.pos_y + minimap_size.y * (guard_mdl_2754.y/(level_height[0]-level_height[1]));

panel_player_dot000.visible=on;
panel_minimap00.visible=on;
}
}