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 getDatePosted() {
	var datePosted = readCookie('dateposted');
	if (!datePosted) {
		datePosted = (7).days().ago().toString('dddd MMMM d, yyyy');
		createCookie('dateposted', datePosted, 365);
	}
	document.write(datePosted);
}
function limitText(limitField, limitCount, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	} else {
		limitCount.value = limitNum - limitField.value.length;
	}
}
function urldecode(str) {
	var histogram = {}, ret = str.toString(), unicodeStr = '', hexEscStr = '';
	var replacer = function(search, replace, str) {
		var tmp_arr = [];
		tmp_arr = str.split(search);
		return tmp_arr.join(replace);
	};
	histogram["'"] = '%27';
	histogram['('] = '%28';
	histogram[')'] = '%29';
	histogram['*'] = '%2A';
	histogram['~'] = '%7E';
	histogram['!'] = '%21';
	histogram['%20'] = '+';
	histogram['\u00DC'] = '%DC';
	histogram['\u00FC'] = '%FC';
	histogram['\u00C4'] = '%D4';
	histogram['\u00E4'] = '%E4';
	histogram['\u00D6'] = '%D6';
	histogram['\u00F6'] = '%F6';
	histogram['\u00DF'] = '%DF'; 
	histogram['\u20AC'] = '%80';
	histogram['\u0081'] = '%81';
	histogram['\u201A'] = '%82';
	histogram['\u0192'] = '%83';
	histogram['\u201E'] = '%84';
	histogram['\u2026'] = '%85';
	histogram['\u2020'] = '%86';
	histogram['\u2021'] = '%87';
	histogram['\u02C6'] = '%88';
	histogram['\u2030'] = '%89';
	histogram['\u0160'] = '%8A';
	histogram['\u2039'] = '%8B';
	histogram['\u0152'] = '%8C';
	histogram['\u008D'] = '%8D';
	histogram['\u017D'] = '%8E';
	histogram['\u008F'] = '%8F';
	histogram['\u0090'] = '%90';
	histogram['\u2018'] = '%91';
	histogram['\u2019'] = '%92';
	histogram['\u201C'] = '%93';
	histogram['\u201D'] = '%94';
	histogram['\u2022'] = '%95';
	histogram['\u2013'] = '%96';
	histogram['\u2014'] = '%97';
	histogram['\u02DC'] = '%98';
	histogram['\u2122'] = '%99';
	histogram['\u0161'] = '%9A';
	histogram['\u203A'] = '%9B';
	histogram['\u0153'] = '%9C';
	histogram['\u009D'] = '%9D';
	histogram['\u017E'] = '%9E';
	histogram['\u0178'] = '%9F';
	for (unicodeStr in histogram) {
		hexEscStr = histogram[unicodeStr];
		ret = replacer(hexEscStr, unicodeStr, ret);
    }
	ret = decodeURIComponent(ret);
	return ret;
}