// JavaScript Document
/*

*/
function roundTwo(n) {
	return Math.round(n*100+((n*1000)%10>4?1:0))/100;
}
function currencyFormat(n) {
	if (!isNaN(n)) {
		var m = roundTwo(n)+"";
		twoDemical(m);
	}
}
function twoDemical(n) {
	if (n.indexOf(".")==-1) {
		n += ".00";
	}
	while(n.length-n.indexOf(".")<3) {
		n += "0";
	}
	return n;
}

function calendarForm() {
	$calPrice = 11.45;
	// jQuery form manipulations
	/* preset some form values and text */
	$('select#donation').change(function() {
		$totalSum = parseFloat($calPrice) + parseFloat($('select#donation').val());
		//$totalSum = Math.round(($calPrice + parseFloat($('select#donation').val))*100)/100;
		$('.total').html('Total cost: &#163;'+$totalSum);
		$('#amount').val($totalSum);
		if($('select#donation').val() != 0.00) {
			$('#item_name').val("OPT Calendar 2011 and donation");	
		} else {
			$('#item_name').val("OPT Calendar 2011");	
		}
	});

}