String.prototype.trim = function() {
    return this.replace(/(^[\s]*)|([\s]*$)/g, "");
}
String.prototype.lTrim = function() {
    return this.replace(/(^[\s]*)/g, "");
}
String.prototype.rTrim = function() {
    return this.replace(/([\s]*$)/g, "");
}

//cookie operate
function getExpDate(days, hours, minutes) {
    var expDate = new Date();
    if (typeof (days) == "number" && typeof (hours) == "number" && typeof (hours) == "number") {
        expDate.setDate(expDate.getDate() + parseInt(days));
        expDate.setHours(expDate.getHours() + parseInt(hours));
        expDate.setMinutes(expDate.getMinutes() + parseInt(minutes));
        return expDate.toGMTString();
    }
}


function getCookieVal(offset) {
    var endstr = document.cookie.indexOf(";", offset);
    if (endstr == -1) {
        endstr = document.cookie.length;
    }
    return unescape(document.cookie.substring(offset, endstr));
}


function getCookie(name) {
    var arg = name + "=";
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;
    while (i < clen) {
        var j = i + alen;
        if (document.cookie.substring(i, j) == arg) {
            return getCookieVal(j);
        }
        i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0) break;
    }
    return "";
}


function setCookie(name, value, expires, path, domain, secure) {
    document.cookie = name + "=" + escape(value) +
		((expires) ? "; expires=" + expires : "") +
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		((secure) ? "; secure" : "");
}


function deleteCookie(name, path, domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" +
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		"; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

function getMobilePhone() {
    return getCookie('Identity_MobilePhone') || '';
}
function setMobilePhone(m) {
    return setCookie('Identity_MobilePhone', m, getExpDate(1,0,0), '/')
}