<SCRIPT>

//This script was written by Craig Humphreys for Vybin.Com, if you use the code
//please leave this credits in tact.

//This script has editable portions which are highlighted
// It is only intended to count down within a day, so don't try to set it to count down
// past 1 as it will give an event has started message.
// To convert your time to GMT, double click on your computers clock, and look on the drop down list.

// At 1 o clock GMT the clock resets, so the countdown will reset, and start counting to the specified time agian

function countdown()
{
// This sets any users time to GMT, so that the count down is the same for everbody
var GMT=new Date();
var onGmt=GMT.toGMTString();

// splits the time at spaces
findTime=onGmt.split(' ')

week = findTime[0];
day = findTime[1];
month = findTime[2];
year = findTime[3];
hms = findTime[4];

// splits the time at the colon
hmstime = hms.split(':');

// assign variables to split, changing hour from char to numeric.
var hour = hmstime[0] - 0;
var min = hmstime[1];

// add 1 to the hour to account for GMT daylight savings
//this should be removed when daylight savings put hour back.
hour=hour+1

//gets the minutes, and the seconds from the users clock
time= new Date()
var curmin=time.getMinutes();
var cursec=time.getSeconds();

//Finds the difference so that a count down can begin, this assumes countdown is to the hour
var startmin=60-curmin;
var startsec=60-cursec;

// This is set to allow clock to hit the 0 value, rather than just rotating over to 60
startsec=startsec-1
startmin=startmin-1

//User Can Edit Variable stopHour
// stopHour should be edited to the time in GMT that the countdown will stop, using 24 hour clock e.g. 16=4 pm (MAX=24)
var stopHour=24


//User Can Edit Variable minset
//set minset to false if you only want clock to countdown to an hour, for example 4 o clock
var minset=true;

if (minset==true)
{
//User Can Edit Variable stopmin
//set stopmin to the number of minutes past the hour you want the clock to count to (MAX 59)
stopmin=30
}

if (minset==false)
{
stopmin=0
}

//adds stopmin to startmin
startmin=60-curmin+stopmin;


// figures out how many hours to countdown to
var startHour=stopHour-hour-1

// makes sure the minutes value doesn't go over 60
if (startmin >= 60)
{
startmin=startmin-60;
startHour=startHour+1;
}



// puts the values stored in the variables into the text box
document.countform.counter.value=startHour + " hours " + startmin + " minutes " + startsec + " Seconds ";

//repeats the function every second, giving the count down effect
timer=setTimeout("countdown()",1000)

//Message can be changed to whatever you want
message="Event Has Started";

// Stop condition tells the user that the event has started
if ((hour>=stopHour) && (startmin>=stopmin))
{
clearTimeout(timer)

document.countform.counter.value=message

}

// a second stop condition, which doesn't allow the hour value to become negative
if (hour=='-')
{
clearTimeout(timer)
document.countform.counter.value=message

}

}
</script>

Body:

<form name=countform>
<font face="verdana" size=2><b>There are
<input type=text name=counter SIZE="33" size=1 style="background-color: gray; color: black border-width : 1px; border-style : groove; font-size : 8pt; font-family : Verdana, Arial; color : black; border-color : white; border: thin solid; font-weight: bold">
<font face="verdana" size=2><b>Until the user specified time today has been reached.
</form>
<SCRIPT>
countdown();
</script>
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"There are" und "Until the user specified time today has been reached." beliebig ändern