// Script written by Luke Pollard
// (c) Fuzzbox Productions 2002
// www.fuzzbox.net - info@fuzzbox.net

function roundup(n)
{
	pennies = n * 100;

	pennies = Math.round(pennies);

	strPennies = "" + pennies;
	len = strPennies.length;

	return strPennies.substring(0, len -2) + "." + strPennies.substring(len -2, len);
}

function calculate()
{
	newocdata = eval(document.forms[1].newoccupier.value);
	newhodata = eval(document.forms[1].newhouse.value);
	addbidata = eval(document.forms[1].additionalbin.value);
	repladata = eval(document.forms[1].replacementbin.value);
	compodata = eval(document.forms[1].homecomposter.value);

	newoc = eval(document.forms[1].newoccupierQTY.value);
	newho = eval(document.forms[1].newhouseQTY.value);
	addbi = eval(document.forms[1].additionalbinQTY.value);
	repla = eval(document.forms[1].replacementbinQTY.value);
	compo = eval(document.forms[1].homecomposterQTY.value);

	newoccupiertotal = newocdata * newoc
	newhousetotal = newhodata * newho
	additionalbintotal = addbidata * addbi
	replacementbintotal = repladata * repla
	homecompostertotal = compodata * compo

	total = newoccupiertotal + newhousetotal + additionalbintotal + replacementbintotal + homecompostertotal

	if(total=="0")
		{alert("You haven't selected a quantity");}
	else
		{document.forms[1].totalded.value = roundup(total);}

}