Calculators Effects >>> Best Price.


		<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

		var 
		max_units =
		200;
		// quantities in excess of 
		max_units all have the same unit price

		var 
		currency =
		"$";
		// currency sign used in 'formatMessage()'

		// Edit this function to reflect your discount prices! 

		function 
		getDiscountPrice(units)
		{

		// Note: It is important to work 
		your way down from max to min amounts!

		if
		(units
		>= 
		max_units)
		return
		4;
		

		if
		(units
		>=
		100)
		return
		6;

		if
		(units
		>=
		50)
		return
		8;

		if
		(units
		>=
		25)
		return
		10;

		if
		(units
		>=
		10)
		return
		13;

		if
		(units
		>=
		5)
		return
		16;

		if
		(units
		>=
		2)
		return
		17.50;

		if
		(units
		==
		1)
		return
		19.95;

		if
		(units
		<=
		0)
		return
		0;

		}

		function 
		getNumberOfUnits()
		{

		var
		units
		=
		document.calculator.units.value;
		

		return
		(units
		==
		"")
		?
		0
		:
		units;

		}

		function 
		showResult(result)
		{

		// adjust the following line if 
		result must popup somewhere else

		document.calculator.respons.value
		= 
		result;
		

		}

		function 
		formatMessage(units, 
		unit_price)
		{

		return
		units
		+
		" * "
		+ 
		currency + 
		formatPrice(unit_price)
		+
		" = "
		+ 
		currency + 
		formatPrice(units
		* 
		unit_price);

		}

		// AltUnits (alternate units): 
		add extra units to reach minimum for next discount price

		function 
		getAltUnits(units)
		{

		var 
		discount_price = 
		getDiscountPrice(units);

		if
		(units
		< 
		max_units)
		do
		{
		units++
		}
		while
		(discount_price
		== 
		getDiscountPrice(units));

		return
		units;

		}

		function 
		findPrice()
		{

		var
		units
		= 
		getNumberOfUnits();

		var 
		unit_price = 
		getDiscountPrice(units);

		var 
		alt_units = 
		getAltUnits(units);

		var 
		alt_unit_price = 
		getDiscountPrice(alt_units);

		var 
		result;

		if
		((units
		* 
		unit_price)
		<
		(alt_units
		* 
		alt_unit_price))
		

		result = 
		formatMessage(units, 
		unit_price);
		

		else

		result 
		= 
		formatMessage(alt_units, 
		alt_unit_price);

		showResult(result);

		}

		function 
		formatPrice(value)
		{

		var 
		result=
		Math.floor(value)
		+
		".";

		var 
		cents =
		100
		*
		(value-Math.floor(value))
		+
		0.5;

		result 
		+=
		Math.floor(cents
		/
		10);

		result 
		+=
		Math.floor(cents
		%
		10);

		return 
		result;

		}

		function 
		filterNonNumeric(field)
		{

		var 
		result =
		new
		String();

		var 
		numbers =
		"0123456789";

		var 
		chars = 
		field.value.split("");
		// create array 

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

		if
		(numbers.indexOf(chars[i])
		!=
		-1) 
		result += 
		chars[i];

		}

		if
		(field.value
		!= 
		result) 
		field.value
		= 
		result;

		}

		window.onload=findPrice;

		//  End -->

		</script>

		<table
		border="1"
		cellspacing="0"
		cellpadding="3"
		width="300">

		<tr>

		<td>Single unit license</td>

		<td 
		width=50
		align=right>$19.95</td>

		</tr>

		<tr>

		<td>License for 2 to 4 units</td>

		<td 
		width=50
		align=right> 
		$17.50</td>

		</tr>

		<tr>

		<td>License for 5 to 9 units</td>

		<td 
		width=50
		align=right>$16.00</td>

		</tr>

		<tr>

		<td>License for 10 to 24 units</td>

		<td 
		width=50
		align=right> 
		$13.00</td>

		</tr>

		<tr>

		<td>License for 25 to 49 units</td>

		<td 
		width=50
		align=right>$10.00</td>

		</tr>

		<tr>

		<td>License for 50 to 99 units</td>

		<td 
		width=50
		align=right> 
		$8.00</td>

		</tr>

		<tr>

		<td>License for 100 to 199 units</td>

		<td 
		width=50
		align=right> 
		$6.00</td>

		</tr>

		<tr>

		<td>License for 200 or more units</td>

		<td 
		width=50
		align=right> 
		$4.00</td>

		</tr>

		</table>

		<br>

		<form
		name=calculator>

		Units:

		<input
		type=text
		value="1"
		name="units"
		onkeydown="findPrice()"
		onKeyUp="filterNonNumeric(this); 
		findPrice()" 
		onkeypress="findPrice()"
		size="4">

		<input 
		type=text
		onfocus="this.blur()"
		name="respons"
		size="24"
		style="border:0; 
		font-weight:bold;">

		</form>