diff -Naur -wbBE -X ignore_list main-cvs/DOCS/man/en/mplayer.1 main-devel/DOCS/man/en/mplayer.1
--- main-cvs/DOCS/man/en/mplayer.1	2004-12-13 17:05:04.000000000 +0800
+++ main-devel/DOCS/man/en/mplayer.1	2004-12-14 14:30:42.000000000 +0800
@@ -2497,6 +2497,8 @@
 .IPs noaccel
 Turns off hardware acceleration.
 Try this option if you have display problems.
+.IPs noborder
+Makes the video window borderless.
 .RE
 .PD 1
 .
diff -Naur -wbBE -X ignore_list main-cvs/libvo/vo_directx.c main-devel/libvo/vo_directx.c
--- main-cvs/libvo/vo_directx.c	2004-11-01 17:06:31.000000000 +0800
+++ main-devel/libvo/vo_directx.c	2004-12-14 14:28:08.000000000 +0800
@@ -63,6 +63,7 @@
 static uint32_t vm_bpp=0;
 static uint32_t dstride;                            //surface stride
 static uint32_t nooverlay = 0;                      //NonOverlay mode
+static uint32_t noborder = 0;                       //Borderless window
 static DWORD    destcolorkey;                       //colorkey for our surface
 static COLORREF windowcolor = RGB(0,0,16);          //windowcolor == colorkey
 static int adapter_count=0;
@@ -70,6 +71,7 @@
 static GUID *selected_guid_ptr = NULL;
 static RECT monitor_rect;	                        //monitor coordinates 
 static float window_aspect;
+static DWORD wndStyle;                              //Window style
 
 extern void mplayer_put_key(int code);              //let mplayer handel the keyevents 
 extern void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
@@ -627,7 +629,7 @@
 	
     if(!vidmode && !vo_fs){
           RECT rdw=rd;
-          AdjustWindowRect(&rdw,WS_OVERLAPPEDWINDOW|WS_SIZEBOX,FALSE);
+          AdjustWindowRect(&rdw,wndStyle,FALSE);
 //          printf("window: %i %i %ix%i\n",rdw.left,rdw.top,rdw.right - rdw.left,rdw.bottom - rdw.top);      
 		  rdw.left += monitor_rect.left; /* move to global coordinate space */
           rdw.top += monitor_rect.top;
@@ -963,11 +965,20 @@
     WNDCLASS   wc;
 	if(arg)
 	{
-		if(strstr(arg,"noaccel"))
-		{
+	    while (*arg != '\0') {
+		if (!strncmp(arg, ":", 1)) {
+		    arg++;
+		    continue;   /* multiple ':' is not really an error */
+		} else if (!strncmp(arg, "noaccel", 7)) {
+		    arg += 7;
 			mp_msg(MSGT_VO,MSGL_V,"<vo_directx><INFO>disabled overlay\n");
 		    nooverlay = 1;
+		} else if (!strncmp(arg, "noborder", 8)) {
+		    arg += 8;
+	    	    mp_msg(MSGT_VO,MSGL_V,"<vo_directx><INFO>hide border\n");
+		    noborder = 1;
 		}
+	    } /* end while */
 	}
 	/*load icon from the main app*/
     if(GetModuleFileName(NULL,exedir,MAX_PATH))
@@ -989,8 +1000,9 @@
     wc.lpszClassName =  "MPlayer - The Movie Player";
     wc.lpszMenuName  =  NULL;
     RegisterClass(&wc);
+    wndStyle = (vidmode||noborder)?WS_POPUP:(WS_OVERLAPPEDWINDOW|WS_SIZEBOX);
     hWnd = CreateWindowEx(vidmode?WS_EX_TOPMOST:0,
-        "MPlayer - The Movie Player","",(vidmode)?WS_POPUP:WS_OVERLAPPEDWINDOW| WS_SIZEBOX,
+        "MPlayer - The Movie Player","",wndStyle,
         CW_USEDEFAULT, CW_USEDEFAULT, 100, 100,NULL,NULL,hInstance,NULL);
 	wc.hbrBackground = CreateSolidBrush(RGB(0,0,0));                     
     wc.lpszClassName = "MPlayer - Fullscreen";
@@ -1228,7 +1240,7 @@
         rd.top = vo_dy;
         rd.right = rd.left + d_image_width;
         rd.bottom = rd.top + d_image_height;
-        AdjustWindowRect(&rd,WS_OVERLAPPEDWINDOW|WS_SIZEBOX,FALSE);  
+        AdjustWindowRect(&rd,wndStyle,FALSE);
         SetWindowPos(hWnd,NULL, vo_dx, vo_dy,rd.right-rd.left,rd.bottom-rd.top,SWP_SHOWWINDOW|SWP_NOOWNERZORDER); 
     }
     else ShowWindow(hWnd,SW_SHOW);