Time countdown problem

ash007 · July 3, 2009

Hi Everybody,

I have time count down code based on value fetching from database.It' working fine.But the problem now I have some moification.When I click on the button I want to increment the time by 20 seconds.How can I do this.

Here I included code for your reference.

Thanks in advance.

----

Multiple Countdown Clocks

<html>
<head>
<title>Multiple Countdown Clocks</title>
</head>
<body>
<div id="clock1">[clock1]</div>
<div id="clock2">[clock2]</div>
<input name="submit" type="submit" onClick="ddiff+20">
</body>
<!--http://www.hashemian.com/tools/javascript-countdown.htm-->
<script language="JavaScript">
  StartCountDown("clock1","07/03/2009  12:31 AM -0400")
  //StartCountDown("clock2","07/27/2010 2:00 PM -0400")

  /*
  	Author:		Robert Hashemian (http://www.hashemian.com/)
  	Modified by:	Munsifali Rashid (http://www.munit.co.uk/)
  	Modified by:	Tilesh Khatri
  */
  
  function StartCountDown(myDiv,myTargetDate)
  {
  
    var dthen	= new Date(myTargetDate);
    var dnow	= new Date('07/03/2009 12:30 AM -0400');
    ddiff		= new Date(dthen-dnow);
    gsecs		= Math.floor(ddiff.valueOf()/1000);
    CountBack(myDiv,gsecs);
  }
  
  function Calcage(secs, num1, num2)
  {
    s = ((Math.floor(secs/num1))%num2).toString();
    if (s.length < 2) 
    {	
      s = "0" + s;
    }
    return (s);
  }
  
  function CountBack(myDiv, secs)
  {
    var DisplayStr;
    var DisplayFormat = "%%D%% Days %%H%%:%%M%%:%%S%%";
    DisplayStr = DisplayFormat.replace(/%%D%%/g,	Calcage(secs,86400,100000));
    DisplayStr = DisplayStr.replace(/%%H%%/g,		Calcage(secs,3600,24));
    DisplayStr = DisplayStr.replace(/%%M%%/g,		Calcage(secs,60,60));
    DisplayStr = DisplayStr.replace(/%%S%%/g,		Calcage(secs,1,60));
    if(secs > 0)
    {	
      document.getElementById(myDiv).innerHTML = DisplayStr;
      setTimeout("CountBack('" + myDiv + "'," + (secs-1) + ");", 990);
    }
    else
    {
      document.getElementById(myDiv).innerHTML = "Auction Over";
    }
  }
  
/* function AddTime(myDiv, secs, add)
{
newsecs = secs + add;
CountBack(myDiv, newsecs);
}*/

</script>
</html>

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Time countdown problem

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