/*

	buyfuel.js

	Copyright 2008 Slightly Different Ltd.
	<http://www.slightlydifferent.co.uk/>

	REUSE OF THIS CODE WITHOUT EXPRESS WRITTEN
	PERMISSION IS STRICTLY PROHIBITED...

*/

function bf_set_quantity(cmd,id){

	var i,
	    j;

	document.f_one.fuel_amount.selectedIndex = 0;
	document.f_one.fuel_amount.options.length = 1;

	if(!id){
		document.f_one.fuel_amount.options[0] = new Option('Select fuel type first','');
		return;
	}

	if(cmd == 'reset'){
		document.f_one.fuel_amount.options[0] = new Option('Select fuel type first','');
		return;
	}

	if(cmd == 'choose'){
		document.f_one.fuel_amount.options[0] = new Option('Select amount','');

		j = 1;
		for(i in FUELS[id]){
			document.f_one.fuel_amount.options[j] = new Option(FUELS[id][i],i);
			j++;
		}
	}

}//END bf_set_quantity