function send_mail()
{
	var r = true;
	$(":text,textarea").each(function()
	{
		var v = this.value;
		if (!v || v == ""){
			$(this).addClass("red_textbox");
			r = false;
		}
		else{
			$(this).removeClass("red_textbox");
		}
	});
	return r;
}
function refreshCaptcha(img){img.src += "0"};
function close_mail()
{
	(window.opener || window.parent).hide_win("nc_news_sendmail", false);
}