$(function() {
    $(".swap")
        .mouseover(function() { 
            var src = $(this).attr("src").match(/[^\.]+/) + "_a.png";
            $(this).attr("src", src);
        })
        .mouseout(function() {
            var src = $(this).attr("src").replace("_a", "");
            $(this).attr("src", src);
        });
});

function toggle(id) {
	var e=document.getElementById(id);
	e.style.display = e.style.display == "none" ? "" : "none";
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}
/*
function formatNumber(value) {
	var num = new NumberFormat();
	num.setInputDecimal(' ');
	num.setNumber(value);
	num.setPlaces('0', false);
	num.setCurrencyValue(' Ft');
	num.setCurrency(true);
	num.setCurrencyPosition(num.RIGHT_OUTSIDE);
	num.setNegativeFormat(num.LEFT_DASH);
	num.setNegativeRed(false);
	num.setSeparators(true, ' ', ',');
	return num.toFormatted();
}
*/