/***********************************************
* Dynamic Countdown script- © Dynamic Drive (http://www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/

/*
Usage:

<div align="center">
<p id="cdcontainer"></p><br>
<script type="text/javascript">
var futuredate = new cdtime("cdcontainer", "May 28, 2008 12:00:00");
futuredate.displaycountdown("D", formatresults);
</script>
</div>

*/
function cdtime(container, targetdate)
{
	if (!document.getElementById || !document.getElementById(container))
		return;

	this.container=document.getElementById(container);
	this.currentTime=new Date();
	this.targetdate=new Date(targetdate);
	this.timesup=false;
	this.updateTime();
}

cdtime.prototype.updateTime=function()
{
	var thisobj=this;
	this.currentTime.setSeconds(this.currentTime.getSeconds()+1);
	setTimeout(function(){thisobj.updateTime()}, 1000); //update time every second
}

cdtime.prototype.displaycountdown = function(baseunit, functionref)
{
	this.baseunit = baseunit;
	this.formatresults = functionref;
	this.showresults();
}

cdtime.prototype.showresults = function()
{
	var thisobj=this;
	var timediff=(this.targetdate-this.currentTime)/1000; //difference btw target date and current date, in seconds
	if (timediff < 0)
	{ //if time is up
		this.timesup=true;
		this.container.innerHTML = this.formatresults();
		return;
	}

	var oneMinute=60;
	var oneHour=oneMinute*60;
	var oneDay=oneHour*24;
/*
	var leftDays = timediff/oneDay;
	var dayfield=Math.floor(leftDays);

	var leftHrs = (leftDays - dayfield)*24;
	var hourfield=Math.floor(leftHrs/oneHour);

	var leftMins = timediff/oneDay;
	var minutefield=Math.floor((timediff-dayfield*oneDay-hourfield*oneHour)/oneMinute);

	var secondfield=Math.floor((timediff-dayfield*oneDay-hourfield*oneHour-minutefield*oneMinute));
*/
	var dayfield    = Math.floor(timediff/oneDay);
	var hourfield   = Math.floor((timediff-dayfield*oneDay)/oneHour);
	var minutefield = Math.floor((timediff-dayfield*oneDay-hourfield*oneHour)/oneMinute);
	var secondfield = Math.floor((timediff-dayfield*oneDay-hourfield*oneHour-minutefield*oneMinute));
/*
e_daysLeft = timeLeft / msPerDay;
daysLeft = Math.floor(e_daysLeft);

e_hrsLeft = (e_daysLeft - daysLeft)*24;
hrsLeft = Math.floor(e_hrsLeft);
minsLeft = Math.floor((e_hrsLeft - hrsLeft)*60);
*/
	if (this.baseunit=="H")//if base unit is hours, set "hourfield" to be topmost level
	{
		hourfield = dayfield*24 + hourfield;
		dayfield="n/a";
	}
	else if (this.baseunit=="M")//if base unit is minutes, set "minutefield" to be topmost level
	{
		minutefield = dayfield*24*60 + hourfield*60 + minutefield;
		dayfield=hourfield="n/a";
	}
	else if (this.baseunit=="S")//if base unit is seconds, set "secondfield" to be topmost level
	{
		var secondfield = timediff;
		dayfield=hourfield=minutefield="n/a";
	}

	this.container.innerHTML=this.formatresults(dayfield, hourfield, minutefield, secondfield);
	setTimeout(function(){thisobj.showresults()}, 1000); //update results every second
}

//Use arguments[0] to access "Days" left
//Use arguments[1] to access "Hours" left
//Use arguments[2] to access "Minutes" left
//Use arguments[3] to access "Seconds" left
//The values of these arguments may change depending on the "baseunit" parameter of cdtime.displaycountdown()
//For example, if "baseunit" is set to "hours", arguments[0] becomes meaningless and contains "n/a"
//For example, if "baseunit" is set to "minutes", arguments[0] and arguments[1] become meaningless etc
function formatresults()
{
	if (this.timesup==false)
	{
		var displaystring="<span class='lcdstyle'>"+arguments[0]+" <sup>days</sup> "+arguments[1]+" <sup>hours</sup> "+arguments[2]+" <sup>minutes</sup> "+arguments[3]+" <sup>seconds</sup></span>";
	}
	else
	{
		var displaystring="";
		alert("Сегодня!");
	}
	return displaystring;
}