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You can change the period the stopwatch and/or countdown timer run for by typing a new value in the 'Stop/Start' at box.

Label: A Stopwatch and a Countdown Timer

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<SCRIPT language=JavaScript>
<!-- Begin

var up,down;

var min1,sec1;

var cmin1,csec1,cmin2,csec2;

function Minutes(data) {

	for(var i=0;i<data.length;i++) if(data.substring(i,i+1)==":") break;

	return(data.substring(0,i)); }

function Seconds(data) {

	for(var i=0;i<data.length;i++) if(data.substring(i,i+1)==":") break;

	return(data.substring(i+1,data.length)); }

function Display(min,sec) {

	var disp;

	if(min<=9) disp=" 0";

	else disp=" ";

	disp+=min+":";

	if(sec<=9) disp+="0"+sec;

	else disp+=sec;

	return(disp); }

function Up() {

	cmin1=0;

	csec1=0;

	min1=0+Minutes(document.sw.beg1.value);

	sec1=0+Seconds(document.sw.beg1.value);

	UpRepeat(); }

function UpRepeat() {

	csec1++;

	if(csec1==60) { csec1=0; cmin1++; }

	document.sw.disp1.value=Display(cmin1,csec1);

	if((cmin1==min1)&&(csec1==sec1)) alert("Stopwatch Stopped");

	else up=setTimeout("UpRepeat()",1000); }

function Down() {

	cmin2=1*Minutes(document.sw.beg2.value);

	csec2=0+Seconds(document.sw.beg2.value);

	DownRepeat(); }

function DownRepeat() {

	csec2--;

	if(csec2==-1) { csec2=59; cmin2--; }

	document.sw.disp2.value=Display(cmin2,csec2);

	if((cmin2==0)&&(csec2==0)) alert("Countdown Stopped");

	else down=setTimeout("DownRepeat()",1000); }

// End -->
</SCRIPT>
	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->

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<FORM name=sw>
<TABLE width="100%" border=0>
  <TBODY>
  <TR align=middle>
    <TD>
      <TABLE width="100%" border=3>
        <TBODY>
        <TR>
          <TH bgColor=#deb887 colSpan=2>Stopwatch</TH></TR>

        <TR align=middle>
          <TD>Stop at<BR><INPUT size=7 value=0:10 name=beg1></TD>
          <TD><INPUT onclick=Up() type=button value=Start></TD></TR>
        <TR align=middle>
          <TD bgColor=#deb887 colSpan=2><INPUT size=9 
      name=disp1></TD></TR></TBODY></TABLE></TD>
    <TD><INPUT onclick=Up();Down() type=button value="Start Both"></TD>
    <TD>
      <TABLE width="100%" border=3>

        <TBODY>
        <TR>
          <TH bgColor=#deb887 colSpan=2>Countdown</TH></TR>
        <TR align=middle>
          <TD>Start at<BR><INPUT size=7 value=0:10 name=beg2></TD>
          <TD><INPUT onclick=Down() type=button value=Start></TD></TR>
        <TR align=middle>
          <TD bgColor=#deb887 colSpan=2><INPUT size=9 
      name=disp2></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></FORM>

	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->

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30/01/2007
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JavaScript A Stopwatch and a Countdown Timer

0/5 0 votes / 4,449 previews / 0 comment 30/01/2007 You can change the period the stopwatch and/or countdown timer run for by typing a new value in the 'Stop/Start' at box....JavaScript A Stopwatch and a Countdown Timer - A Stopwatch and a Countdown Timer

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