/*
Author: Robert Hashemian
http://www.hashemian.com/
*/

TargetDate = "11/23/2009 8:00 AM";
BackColor = "";
ForeColor = "#0000FF";
CountActive = true;
CountStepper = -1;
LeadingZero = false;
DisplayFormat = "%%D%%<br />%%H%%<br />%%M%%<br />%%S%%";
FinishMessage = "";

function calcage(secs, num1, num2) {
  ns = ((Math.floor(secs/num1))%num2);
  
  if (num1==86400) { /*Calculating for day*/
    unit = "day"
	if (ns > 1) /*plural*/
	  unit = " days";
        if (ns < 1)
          unit = "";
  }
 
   if (num1==3600) { /*Calculating for hours*/
    unit = " hour"
	if (ns > 1) /*plural*/
	  unit = " hours";
        if (ns < 1)
          unit = "";
  }
  
  if (num1==60) { /*Calculating for minutes*/
    unit = " minute"
	if (ns > 1) /*plural*/
	  unit = " minutes";
        if (ns < 1)
          unit = "";
  }
  
  if (num1==1) { /*Calculating for seconds*/
    unit = " second"
	if (ns > 1) /*plural*/
	  unit = " seconds";
        if (ns < 1)
          unit = "";
  }
    
  s = ((Math.floor(secs/num1))%num2).toString();
  if (LeadingZero && s.length < 2)
    s = "0" + s;
  if (ns > 0) { 
    return "<b>" + s + unit + "</b>";
  } else {
    return "";
  }
}

function CountBack(secs) {
  if (secs < 0) {
    document.getElementById("cntdwn").innerHTML = FinishMessage;
    return;
  }
  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));

  document.getElementById("cntdwn").innerHTML = DisplayStr;
  if (CountActive)
    setTimeout("CountBack(" + (secs+CountStepper) + ")", SetTimeOutPeriod);
}

function putspan(backcolor, forecolor, secs) {
 if (secs < 0) {
     document.write("<a href='http://pemsea.org/eascongress' style='text-decoration:none;' class='countdown-empty'>&nbsp;</a>");
 } else {
     document.write("<a href='http://pemsea.org/eascongress' style='text-decoration:none;'><div class='countdown'><p id='cntdwn' style='background-color:" + backcolor + "; color:" + forecolor + "'></p></div></a>");
 }
}

CountStepper = Math.ceil(CountStepper);
if (CountStepper == 0)
  CountActive = false;
var SetTimeOutPeriod = (Math.abs(CountStepper)-1)*1000 + 990;
var dthen = new Date(TargetDate);
var dnow = new Date();
if(CountStepper>0)
  ddiff = new Date(dnow-dthen);
else
  ddiff = new Date(dthen-dnow);
gsecs = Math.floor(ddiff.valueOf()/1000);
putspan(BackColor, ForeColor, gsecs);
CountBack(gsecs);