grids random payload defined

ok so next step is go on the server side
- extract recipient, amount, payload,
- register search pattern
- wait for matching transaction to appear
- notify correct party

priv/static/grids-basic.html

@@ -35,13 +35,14 @@
         <label for="grids-a">Amount (P):</label>
         <input type  = "number"
                id    = "grids-a"
-               value = "6000000">
+               value = "69"
+               disabled>
         <br>
 
         <label for="grids-p">Payload:</label>
         <input type  = "text"
                id    = "grids-p"
-               value = "test payload">
+               disabled>
         <br>
 
         <input type  = "button"