1 files changed, 85 insertions, 0 deletions
diff --git a/countdown.js b/countdown.js
new file mode 100644
index 0000000..6d37c6b
--- /dev/null
+++ b/countdown.js
@@ -0,0 +1,85 @@
+/*
+Author: Robert Hashemian
+http://www.hashemian.com/
+
+You can use this code in any manner so long as the author's
+name, Web address and this disclaimer is kept intact.
+********************************************************
+Usage Sample:
+
+<script language="JavaScript">
+TargetDate = "12/31/2020 5:00 AM";
+BackColor = "palegreen";
+ForeColor = "navy";
+CountActive = true;
+CountStepper = -1;
+LeadingZero = true;
+DisplayFormat = "%%D%% Days, %%H%% Hours, %%M%% Minutes, %%S%% Seconds.";
+FinishMessage = "It is finally here!";
+</script>
+<script language="JavaScript" src="http://scripts.hashemian.com/js/countdown.js"></script>
+*/
+
+function calcage(secs, num1, num2) {
+  s = ((Math.floor(secs/num1))%num2).toString();
+  if (LeadingZero && s.length < 2)
+    s = "0" + s;
+  return "<b>" + s + "</b>";
+}
+
+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) {
+ document.write("<span id='cntdwn' style='background-color:" + backcolor + 
+                "; color:" + forecolor + "'></span>");
+}
+
+if (typeof(BackColor)=="undefined")
+  BackColor = "white";
+if (typeof(ForeColor)=="undefined")
+  ForeColor= "black";
+if (typeof(TargetDate)=="undefined")
+  TargetDate = "12/31/2020 5:00 AM";
+if (typeof(DisplayFormat)=="undefined")
+  DisplayFormat = "%%D%% Days, %%H%% Hours, %%M%% Minutes, %%S%% Seconds.";
+if (typeof(CountActive)=="undefined")
+  CountActive = true;
+if (typeof(FinishMessage)=="undefined")
+  FinishMessage = "";
+if (typeof(CountStepper)!="number")
+  CountStepper = -1;
+if (typeof(LeadingZero)=="undefined")
+  LeadingZero = true;
+
+
+CountStepper = Math.ceil(CountStepper);
+if (CountStepper == 0)
+  CountActive = false;
+var SetTimeOutPeriod = (Math.abs(CountStepper)-1)*1000 + 990;
+putspan(BackColor, ForeColor);
+var dthen = new Date(TargetDate);
+var dnow = new Date();
+
+var d = new Date()
+var gmtHours = -d.getTimezoneOffset()/60;
+
+if(CountStepper>0)
+  ddiff = new Date(dnow-dthen);
+else
+  ddiff = new Date(dthen-dnow);
+gsecs = Math.floor(ddiff.valueOf()/1000);
+CountBack(gsecs+(gmtHours*60*60)-(7*60*60));
+