Calculators Effects >>> Miles Per Gallon.


		<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 
		compute(form)
		{

		var 
		milesPerMo =
		form.avgMiles.value
		*30.4;

		var 
		mpgcalc =
		(form.milesDriven.value
		/
		form.gallons.value)
		*
		1;

		var 
		moGascalc =
		(((form.avgMiles.value
		*
		30.4)
		/ 
		mpgcalc)
		*
		form.ppGal.value)
		*
		1;

		mpgcalc 
		= 
		twoDecs(mpgcalc);

		moGascalc 
		= 
		twoDecs(moGascalc);

		form.mpg.value
		= 
		mpgcalc;

		form.moGas.value
		= 
		moGascalc;

		form.yrGas.value
		= 
		moGascalc *
		12;

		}

		function 
		twoDecs(item)
		{

		return
		eval(parseInt(item
		*
		100)
		*
		.01);

		}

		//  End -->

		</script>

		<form>

		<table
		border=1>

		<tr><td>Miles Driven: 
		</td><td><input
		type=text
		name=milesDriven
		size=5> 
		mi.</td></tr>

		<tr><td>Gallons of Gas: 
		</td><td><input
		type=text
		name=gallons
		size=5> 
		gal</td></tr>

		<tr><td>Cost per Gallon: 
		</td><td>$
		<input
		type=text
		name=ppGal
		size=5></td></tr>

		<tr><td>Miles per Day: 
		</td><td><input
		type=text
		name=avgMiles
		size=5></td></tr>

		<tr><td 
		colspan=2
		align=center><input
		type=button
		value="Calculates 
		To...." 
		onClick="compute(this.form)"></td></tr>

		<tr><td>~ 
		<input 
		type=text
		name=mpg
		size=7></td><td>Mi. 
		per Gal.</td></tr>

		<tr><td>$ 
		<input 
		type=text
		name=moGas
		size=7></td><td> 
		per month</td></tr>

		<tr><td>$ 
		<input 
		type=text
		name=yrGas
		size=7></td><td> 
		per year</td></tr>

		<tr>

		<td 
		colspan=2
		align=center><input
		type=reset></td></tr>

		</table>

		</form>