Need Help with JScript Counter Function

**writhe** · Aug 25, 2002 16:46

I've got a counter function I found here that I'm trying to use. I've decided to try and alter the function so that it accepts two parameters: a start time and an end time to count to. My javascript skills are pretty bad, so I was hoping someone here might be able to help me get this thing working. I'm sure it's something really simple.

I've put my changes to the function in red and the part that I think is causing the problem in blue.

Code:

function getTime(datCountFrom, datCountTo) {
	c1 = new Image(); c1.src = "1c.gif";
	c2 = new Image(); c2.src = "2c.gif";
	c3 = new Image(); c3.src = "3c.gif";
	c4 = new Image(); c4.src = "4c.gif";
	c5 = new Image(); c5.src = "5c.gif";
	c6 = new Image(); c6.src = "6c.gif";
	c7 = new Image(); c7.src = "7c.gif";
	c8 = new Image(); c8.src = "8c.gif";
	c9 = new Image(); c9.src = "9c.gif";
	c0 = new Image(); c0.src = "0c.gif";
	Cc = new Image(); Cc.src = "Cc.gif";
	//now = new Date();

	// enter datetime to countdown to
	//later = new Date("Sep 5 2002 20:30:01");

	// get numbers for time
	days = (datCountTo - datCountFrom) / 1000 / 60 / 60 / 24;
	daysRound = Math.floor(days);
	hours = (datCountTo - datCountFrom) / 1000 / 60 / 60 - (24 * daysRound);
	hoursRound = Math.floor(hours);
	minutes = (datCountTo - datCountFrom) / 1000 /60 - (24 * 60 * daysRound) - (60 * hoursRound);
	minutesRound = Math.floor(minutes);
	seconds = (datCountTo - datCountFrom) / 1000 - (24 * 60 * 60 * daysRound) - (60 * 60 * hoursRound) - (60 * minutesRound);
	secondsRound = Math.round(seconds);

	if (secondsRound <= 9) {
		document.images.g.src = c0.src;
		document.images.h.src = eval("c"+secondsRound+".src");
	}
	else {
		document.images.g.src = eval("c"+Math.floor(secondsRound/10)+".src");
		document.images.h.src = eval("c"+(secondsRound%10)+".src");
	}

	if (minutesRound <= 9) {
		document.images.d.src = c0.src;
		document.images.e.src = eval("c"+minutesRound+".src");
	}
	else {
		document.images.d.src = eval("c"+Math.floor(minutesRound/10)+".src");
		document.images.e.src = eval("c"+(minutesRound%10)+".src");
	}

	if (hoursRound <= 9) {
		document.images.y.src = c0.src;
		document.images.z.src = eval("c"+hoursRound+".src");
	}
	else {
		document.images.y.src = eval("c"+Math.floor(hoursRound/10)+".src");
		document.images.z.src = eval("c"+(hoursRound%10)+".src");
	}

	if (daysRound <= 9) {
		document.images.x.src = c0.src;
		document.images.a.src = c0.src;
		document.images.b.src = eval("c"+daysRound+".src");
	}

	if (daysRound <= 99) {
		document.images.x.src = c0.src;
		document.images.a.src = eval("c"+Math.floor((daysRound/10)%10)+".src");
		document.images.b.src = eval("c"+Math.floor(daysRound%10)+".src");
	}

	if (daysRound <= 999){
		document.images.x.src = eval("c"+Math.floor(daysRound/100)+".src");
		document.images.a.src = eval("c"+Math.floor((daysRound/10)%10)+".src");
		document.images.b.src = eval("c"+Math.floor(daysRound%10)+".src");
	}

	newtime = window.setTimeout("getTime(datCountFrom, datCountTo);", 1000);
}

I'm using the function like this:

Code:

datFrom = new Date();
datTo = new Date("Sep 5 2002 20:30:01");

...

<body onLoad="getTime(datFrom, datTo)">

**beetle** · Aug 26, 2002 10:05

Well, You basically bashed the whole script by removing this line...

Code:

now = new Date();

That sucker right there is what gets the clock moving, because every second (when the function is called again) that is what changes. Also, you cant use those variables to re-call the function. You will need to do this:

1) Make global copies of datCountFrom and datCountTo
2) Decrement your global copy of dateCountFrom in place of the line you omitted above.

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