Equivalents >>> Time Converter.


		<script 
		language="javascript"
		type="text/javascript">

		/* Visit http://www.yaldex.com/ 
		for full source code

		and get more free JavaScript, CSS and DHTML scripts! */

		<!-- Begin

		function 
		checkInt(str)
		{

		if
		(!str)
		return
		0;

		var 
		ok =
		"";

		for
		(var 
		i =
		0; 
		i < 
		str.length; 
		i++)
		{

		var
		ch
		= 
		str.substring(i, 
		i+1);

		if
		(ch
		<
		"0"
		||
		"9"
		<
		ch)
		{
		

		alert("Only 
		integer input is allowed!\n\n" 

		+
		parseInt(ok)
		+
		" will be used because '"
		

		+ 
		str +
		"' is invalid.\nYou may correct "

		+
		"this entry and try again.");

		return
		parseInt(ok);

		}

		else 
		ok +=
		ch;

		}

		return
		parseInt(str);

		}

		

		function 
		checkDecimal(str)
		{

		if
		(!str)
		return
		0;

		var 
		ok =
		"";

		for
		(var 
		i =
		0; 
		i < 
		str.length; 
		i++)
		{

		var
		ch
		= 
		str.substring(i, 
		i+1);

		if
		((ch
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		"9"
		<
		ch)
		&&
		ch
		!=
		'.')
		{

		alert("Only 
		numeric input is allowed!\n\n" 

		+
		parseFloat(ok)
		+
		" will be used because '"
		

		+ 
		str +
		"' is invalid.\nYou may correct "

		+
		"this entry and try again.");

		return
		parseFloat(ok);

		}

		else 
		ok +=
		ch;

		}

		return 
		str;

		}

		

		function 
		makeHours(form)
		{

		hour 
		=
		(checkInt(form.hour.value));
		// validates input

		min
		=
		(checkInt(form.min.value));  
		// sets invalid input to 0

		sec 
		=
		(checkInt(form.sec.value));

		return
		(hour
		+
		min/60
		+ 
		sec/3600);

		}

		

		function 
		makeTime(form)
		{

		num 
		=
		(checkDecimal(form.hourtotal.value));
		// validates input

		if
		(num)
		{

		form.hour.value
		=
		parseInt(num);

		   num 
		-=
		parseInt(num); 
		num *=
		60;

		form.min.value
		=
		parseInt(num);

		   num 
		-=
		parseInt(num); 
		num *=
		60;

		form.sec.value
		=
		parseInt(num);

		   
		}

		}

		//  End -->

		</script>

		<form
		name="timeconverter">

		<table
		border=1>

		<tr>

		<td>Time:</td>

		<td>

		<input
		type=text
		name=hour
		size=3
		maxlength=3> 
		Hours<br>

		<input
		type=text
		name=min
		size=3
		maxlength=3> 
		Minutes<br>

		<input
		type=text
		name=sec
		size=3
		maxlength=3> 
		Seconds

		</td>

		</tr>

		

		<tr>

		<td>Hours:</td>

		<td>

		<input
		type=text
		name=hourtotal
		size=10>

		</td>

		</tr>

		

		<tr> 

		<td
		colspan=2
		align=center>
		

		<input
		type=button
		nametoHours
		value="Time 
		to Hours" 
		onClick="this.form.hourtotal.value=makeHours(this.form);">

		<br>

		<input
		type=button
		name=toTime
		value="Hours 
		to Time" 
		onClick="makeTime(this.form);">

		</td>

		</tr>

		</table>

		</form>