<SCRIPT LANGUAGE="JavaScript">


var ms = 0;
var state = 0;
var watts = 200;
var rate = 5;
var interval = 12; /* 5 watts every 12 seconds */
var lastRamp = 0;


function startstop() {
   if (state == 0) {
      state = 1;
      then = new Date();
      then.setTime(then.getTime() - ms);
      lastRamp = ms;
   ** else {
      state = 0;
      now = new Date();
      ms = now.getTime() - then.getTime();
      document.stpw.time.value = ms / 1000;
   **
**


function swreset() {
   state = 0;
   ms = 0;
   watts = 200;
   lastRamp = 0
   document.stpw.time.value = ms;
   document.stpw.power.value = watts;
**


function display() {
   setTimeout("display();", 50);
   if (state == 1)  {now = new Date();
      ms = now.getTime() - then.getTime();


      intervalTime = (ms - lastRamp) / 1000;
      if (intervalTime > interval) {
         watts = watts + rate;
         lastRamp = ms;
      **


      document.stpw.time.value = ms / 1000;
      document.stpw.power.value = watts;
   **
**
 
window.onload=display
</SCRIPT>




<CENTER>
<FORM NAME="stpw">
Time:
<INPUT TYPE="text" Name="time">
Power:
<INPUT TYPE="text" Name="power">
<INPUT TYPE="BUTTON" Name="ssbutton" VALUE="Start/Stop" onClick="startstop()">
<INPUT TYPE="BUTTON" NAME="reset" VALUE="Reset" onClick="swreset()">
</FORM>
</CENTER>