diff --git a/programs/emulator/PrMK/trunk/docs/b3-34help0.htm b/programs/emulator/PrMK/trunk/docs/b3-34help0.htm
index 9dc4145fa5..2fb8ec9402 100644
--- a/programs/emulator/PrMK/trunk/docs/b3-34help0.htm
+++ b/programs/emulator/PrMK/trunk/docs/b3-34help0.htm
@@ -138,7 +138,7 @@
     <TD height="897"> 
       <TABLE width="100%" border="0">
         <TR> 
-          <TD width="17%" height="447"><IMG src="stack1.gif" width="119" height="159" alt="Рис. 1"></TD>
+          <TD width="17%" height="447"><IMG src="stack1.png" width="119" height="159" alt="Рис. 1"></TD>
           <TD width="83%"> 
             <P align="center"><FONT size="+1">Схематичное представление регистров 
               стека. </FONT></P>
@@ -160,7 +160,7 @@
           </TD>
         </TR>
         <TR> 
-          <TD width="17%" height="159"><IMG src="stack2.gif" width="119" height="159" align="top" alt="Рис. 2"></TD>
+          <TD width="17%" height="159"><IMG src="stack2.png" width="119" height="159" align="top" alt="Рис. 2"></TD>
           <TD width="83%"> 
             <P align="center">&nbsp;</P>
             <P align="center"><B>Команда продвижения стека вверх.<BR>
@@ -172,11 +172,11 @@
           </TD>
         </TR>
         <TR> 
-          <TD width="17%" height="195"><IMG src="stack3.gif" width="119" height="159" alt="Рис. 3"></TD>
+          <TD width="17%" height="195"><IMG src="stack3.png" width="119" height="159" alt="Рис. 3"></TD>
           <TD width="83%">&nbsp;</TD>
         </TR>
         <TR> 
-          <TD width="17%" height="168"><IMG src="stack4.gif" width="119" height="159" alt="Рис. 4"></TD>
+          <TD width="17%" height="168"><IMG src="stack4.png" width="119" height="159" alt="Рис. 4"></TD>
           <TD width="83%"> 
             <P align="center"><B>Команда обмена содержимым регистров X и Y.<BR>
               </B>(на клавише изображено XY со стрелками)</P>
@@ -185,11 +185,11 @@
           </TD>
         </TR>
         <TR> 
-          <TD width="17%" height="174"><IMG src="stack5.gif" width="119" height="159" alt="Рис. 5"></TD>
+          <TD width="17%" height="174"><IMG src="stack5.png" width="119" height="159" alt="Рис. 5"></TD>
           <TD width="83%">&nbsp;</TD>
         </TR>
         <TR> 
-          <TD width="17%" height="226"><IMG src="stack6.gif" width="119" height="176" alt="Рис. 6"></TD>
+          <TD width="17%" height="226"><IMG src="stack6.png" width="119" height="176" alt="Рис. 6"></TD>
           <TD width="83%"> 
             <P align="center"><B><A name="register_X1"></A>Регистр предыдущего 
               результата.</B></P>
@@ -202,7 +202,7 @@
           </TD>
         </TR>
         <TR> 
-          <TD width="17%" height="180"><IMG src="stack7.gif" width="119" height="171" alt="Рис. 7"></TD>
+          <TD width="17%" height="180"><IMG src="stack7.png" width="119" height="171" alt="Рис. 7"></TD>
           <TD width="83%" height="180"> 
             <DIV align="center"> 
               <P>&nbsp;</P>
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