diff --git a/Makefile b/Makefile
index 503c5bd..b291354 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,11 @@
 netmapr:	netmapr.c constants.h netmapr.h Makefile
 	gcc -Wall -g netmapr.c -onetmapr `sdl-config --libs --cflags` -L/usr/X11R6/lib -lX11 -lpthread -lXext -lSDL_ttf
+	ln -f netmapr netmapr-viewer
 
 install:	netmapr
-	cp -f netmapr /usr/local/bin ; [ ! -d ~/.netmapr ] && mkdir ~/.netmapr ; cp -f *.dat ~/.netmapr/
+	install -C -D -o root -m 755 netmapr /usr/local/bin/netmapr
+	ln -f /usr/local/bin/netmapr /usr/local/bin/netmapr-viewer
+	install -C -D -o root -m 644 buttons.dat /usr/local/share/buttons.dat
+	install -C -D -o root -m 644 objects.dat /usr/local/share/objects.dat
+	install -C -D -o root -m 644 verdana.ttf /usr/local/share/verdana.ttf
+	install -C -D -o root -m 644 icon.bmp /usr/local/share/icon.bmp
diff --git a/Makefile.freebsd b/Makefile.freebsd
index 66ffd36..bd2d52e 100644
--- a/Makefile.freebsd
+++ b/Makefile.freebsd
@@ -1,2 +1,10 @@
 netmapr:	netmapr.c constants.h netmapr.h Makefile
-	gcc -Wall -g netmapr.c -onetmapr `sdl11-config --libs --cflags` -L/usr/X11R6/lib -lX11 -lpthread -lXext 
+	gcc -Wall -g netmapr.c -onetmapr `sdl11-config --libs --cflags` -L/usr/X11R6/lib -lX11 -lpthread -lXext  -lSDL_ttf
+
+install:	netmapr
+	install -C -D -o root -m 755 netmapr /usr/local/bin/netmapr
+	ln -f /usr/local/bin/netmapr /usr/local/bin/netmapr-viewer
+	install -C -D -o root -m 644 buttons.dat /usr/local/share/buttons.dat
+	install -C -D -o root -m 644 objects.dat /usr/local/share/objects.dat
+	install -C -D -o root -m 644 verdana.ttf /usr/local/share/verdana.ttf
+	install -C -D -o root -m 644 icon.bmp /usr/local/share/icon.bmp
diff --git a/Makefile.linux b/Makefile.linux
index 503c5bd..b291354 100644
--- a/Makefile.linux
+++ b/Makefile.linux
@@ -1,5 +1,11 @@
 netmapr:	netmapr.c constants.h netmapr.h Makefile
 	gcc -Wall -g netmapr.c -onetmapr `sdl-config --libs --cflags` -L/usr/X11R6/lib -lX11 -lpthread -lXext -lSDL_ttf
+	ln -f netmapr netmapr-viewer
 
 install:	netmapr
-	cp -f netmapr /usr/local/bin ; [ ! -d ~/.netmapr ] && mkdir ~/.netmapr ; cp -f *.dat ~/.netmapr/
+	install -C -D -o root -m 755 netmapr /usr/local/bin/netmapr
+	ln -f /usr/local/bin/netmapr /usr/local/bin/netmapr-viewer
+	install -C -D -o root -m 644 buttons.dat /usr/local/share/buttons.dat
+	install -C -D -o root -m 644 objects.dat /usr/local/share/objects.dat
+	install -C -D -o root -m 644 verdana.ttf /usr/local/share/verdana.ttf
+	install -C -D -o root -m 644 icon.bmp /usr/local/share/icon.bmp
diff --git a/constants.h b/constants.h
index 083dda7..9c9a37a 100644
--- a/constants.h
+++ b/constants.h
@@ -1,4 +1,4 @@
-#define VERSION "0.99c"
+#define VERSION "0.99d"
 
 #define BUFLEN 512
 
diff --git a/icon.bmp b/icon.bmp
index e5c1195..70316ea 100644
Binary files a/icon.bmp and b/icon.bmp differ
diff --git a/netmapr.c b/netmapr.c
index e6fae0c..1a4dcd7 100644
--- a/netmapr.c
+++ b/netmapr.c
@@ -47,6 +47,8 @@ SDL_Color objfillcol;
 
 int modified = FALSE;
 
+int readonly = FALSE;
+
 int numobjtypes = 0;
 int numletters = 0;
 int numbuttons = 0;
@@ -102,7 +104,15 @@ int main (int argc, char **argv) {
 		strcpy(progdir, "/usr/local/share/netmapr");
 	}
 
-	printf("Starting netmapr v%s...\n", VERSION);
+	if (strstr(argv[0], "view")) {
+		readonly = TRUE;
+	}
+
+	if (readonly) {
+		printf("Starting netmapr viewer v%s...\n", VERSION);
+	} else {
+		printf("Starting netmapr v%s...\n", VERSION);
+	}
 
 
 
@@ -1060,8 +1070,19 @@ int addvector(vectorimg_t *vimg, int type, int x1, int y1, int x2, int y2, SDL_C
 }
 
 void changestate(int newstate) {
+	/* can't do most things in readonly mode */
+	if (readonly) {
+		switch (newstate) {
+			case S_NONE:
+			case S_LOADING:
+			case S_REALLYQUIT:
+				break;
+			default:
+				newstate = S_NONE;
+				break;
+		}
+	}
 	if (newstate != state) {
-
 		if ((state == S_ADDOBJ) || (state == S_ADDTEXT)) {
 			/* change mouse back to normal */
 			SDL_SetCursor(normalmouse);
@@ -2014,6 +2035,23 @@ void drawstatusbar(void) {
 		drawbox(screen, temp.x-3,temp.y-1,temp.x+tw+1,temp.y+th,blue);
 		drawtext(screen, &temp);
 	}
+	/* show readonly status */
+	if (readonly) {
+		int tw,th;
+
+		/* same place as 'mod' box, as in readonly mode map can't be modified */
+		temp.x = map[curmap].width - 30;
+		temp.y = map[curmap].height+2;
+		temp.h = DEFTEXTH-1;
+
+		TTF_SizeText(font[temp.h], "RO", &tw, &th);
+		temp.w = tw;
+		temp.c = blue;
+		temp.anchor = -1;
+		strcpy(temp.text, "RO");
+		drawbox(screen, temp.x-3,temp.y-1,temp.x+tw+1,temp.y+th,blue);
+		drawtext(screen, &temp);
+	}
 
 	SDL_UpdateRect(screen, area.x, area.y, area.w, area.h);
 }
@@ -2258,7 +2296,11 @@ void drawobox(void) {
 }
 
 void drawscreen(void){
-	sprintf(statustext, "Welcome to netmapr v%s.", VERSION);
+	if (readonly) {
+		sprintf(statustext, "Welcome to netmapr viewer v%s.", VERSION);
+	} else {
+		sprintf(statustext, "Welcome to netmapr v%s.", VERSION);
+	}
 	drawmap();
 	drawtoolbox();
 	drawobox();
@@ -2883,45 +2925,8 @@ int loadmap(void) {
 			}
 		}
 	} 
-
-	/* current version(s) */
-	if (!strcmp(vers, "V0.99b") || !strcmp(vers, "V0.99c")) {
-		/* read in number maps */
-		fread(&nummaps, sizeof(int), 1, f);
-
-		for (i = 0; i < nummaps; i++) {
-			fread(&map[i].width, sizeof(int), 1, f);
-			fread(&map[i].height, sizeof(int), 1, f);
-			fread(&map[i].bpp, sizeof(int), 1, f);
-			fread(&map[i].bgcol, sizeof(SDL_Color), 1, f);
-			fread(&map[i].boxcol, sizeof(SDL_Color), 1, f);
-			fread(&map[i].numthings, sizeof(int), 1, f);
-			fread(&map[i].numobjects, sizeof(int), 1, f);
-			fread(&map[i].numlinks, sizeof(int), 1, f);
-			fread(&map[i].numtext, sizeof(int), 1, f);
-			map[i].selecteditem = -1;
-			map[i].selecteditemtype = -1;
-			map[i].selectedlinkpoint = -1;
-			map[i].selectedtype = 0;
-			map[i].curobj = -1;
-			map[i].curlink = -1;
-			map[i].curlinkpoint = -1;
-			map[i].curtext = -1;
-			map[i].startx = -1;
-			map[i].starty = -1;
-			map[i].textanchor = -1;
-			strcpy(map[i].text, "");
-
-			fread(&namelen, sizeof(int), 1, f);
-			fread(&map[i].name, (namelen+1) * sizeof(char), 1, f);
-
-			/* read objects */
-			fread(&map[i].thing, sizeof(thing_t), map[i].numthings, f);
-			fread(&map[i].olink, sizeof(link_t), map[i].numlinks, f);
-			fread(&map[i].obj, sizeof(mapobject_t), map[i].numobjects, f);
-			fread(&map[i].textob, sizeof(text_t), map[i].numtext, f);
-		}
-	} else { /* old versions without version string */
+	if (!strcmp(vers, "OLD")) {
+		/* old versions without version string */
 		/* 0.99a didn't have the fillcol field in mapobject_t */
 
 		/* read in number maps */
@@ -2970,6 +2975,42 @@ int loadmap(void) {
 			}
 			fread(&map[i].textob, sizeof(text_t), map[i].numtext, f);
 		}
+	} else {
+		/* read in number maps */
+		fread(&nummaps, sizeof(int), 1, f);
+
+		for (i = 0; i < nummaps; i++) {
+			fread(&map[i].width, sizeof(int), 1, f);
+			fread(&map[i].height, sizeof(int), 1, f);
+			fread(&map[i].bpp, sizeof(int), 1, f);
+			fread(&map[i].bgcol, sizeof(SDL_Color), 1, f);
+			fread(&map[i].boxcol, sizeof(SDL_Color), 1, f);
+			fread(&map[i].numthings, sizeof(int), 1, f);
+			fread(&map[i].numobjects, sizeof(int), 1, f);
+			fread(&map[i].numlinks, sizeof(int), 1, f);
+			fread(&map[i].numtext, sizeof(int), 1, f);
+			map[i].selecteditem = -1;
+			map[i].selecteditemtype = -1;
+			map[i].selectedlinkpoint = -1;
+			map[i].selectedtype = 0;
+			map[i].curobj = -1;
+			map[i].curlink = -1;
+			map[i].curlinkpoint = -1;
+			map[i].curtext = -1;
+			map[i].startx = -1;
+			map[i].starty = -1;
+			map[i].textanchor = -1;
+			strcpy(map[i].text, "");
+
+			fread(&namelen, sizeof(int), 1, f);
+			fread(&map[i].name, (namelen+1) * sizeof(char), 1, f);
+
+			/* read objects */
+			fread(&map[i].thing, sizeof(thing_t), map[i].numthings, f);
+			fread(&map[i].olink, sizeof(link_t), map[i].numlinks, f);
+			fread(&map[i].obj, sizeof(mapobject_t), map[i].numobjects, f);
+			fread(&map[i].textob, sizeof(text_t), map[i].numtext, f);
+		}
 	}
 
 	fclose(f);
@@ -3290,8 +3331,13 @@ int initgraphics(void) {
 		printf("Doublebuf set ok.\n"); fflush(stdout);
 	}
 
-	sprintf(verstring, "netmapr v%s, by rpearce 2005", VERSION);
-        SDL_WM_SetCaption(verstring,"netmapr");
+	if (readonly) {
+		sprintf(verstring, "netmapr viewer v%s, by rpearce 2005", VERSION);
+		SDL_WM_SetCaption(verstring,"netmapr viewer");
+	} else {
+		sprintf(verstring, "netmapr v%s, by rpearce 2005", VERSION);
+		SDL_WM_SetCaption(verstring,"netmapr");
+	}
 
 	/* initialise buffer */
 	buffer = SDL_CreateRGBSurface(SDL_SWSURFACE,map[curmap].width,map[curmap].height,