function addCommas(nStr) {
	nStr += '';
	x = nStr.split('.');
	x1 = x[0];
	x2 = x.length > 1 ? '.' + x[1] : '';
	var rgx = /(\d+)(\d{3})/;
	while (rgx.test(x1)) {
		x1 = x1.replace(rgx, '$1' + ',' + '$2');
	}
	return x1 + x2;
}

function contactus() {
	$('#subjectname').val($('#subject').find(":selected").attr('subject'));
	document.forms['contact'].submit();
}

function unsubscribeMedia(lang) {
	var email = document.getElementById('txtUnsubscribeMedia').value;
	location.href='unsubscribeMedia.htm?email='+email;
}

function actBackHover(over) {
	var img = document.getElementById('act_back');
	img.src= over ? "../../img/BACK_art_dw.gif" : "../../img/BACK_art_up.gif";
}

function quizClick(imgId, correct) {
	var img = document.getElementById(imgId);
	img.src= correct ? "../../img/quiz-button-green.jpg" : "../../img/quiz-button-red.jpg";
}

function showAnswers() {
	$(".quizClick").click();
}
function restartQuiz() {
	$(".quizClick > img").attr('src',"../../img/quiz-button-gray.jpg");
}

function showBanner() {
	src = $('#banner-img').attr('src');
    if (src.substring(src.length-9,src.length)=='blank.gif') {
    	var i = new Date().getSeconds() % bannerList.length;
    	$('#banner-img').attr('src',bannerList[i][0]);
    	$('#banner-img').parent().attr('href',bannerList[i][1]);
    }
}