function validdata() {
    if (emptyField(document.getElementById("txtusername"))) {
        alert('Please enter Email Id.');
        document.getElementById("txtusername").focus();
        document.getElementById("txtusername").select();
        return false;
    }
    if (!validEmailId(document.getElementById("txtusername").value)) {
        alert('Please enter valid Email Id.');
        document.getElementById("txtusername").focus();
        document.getElementById("txtusername").select();
        return false;
    }
    if (emptyField(document.getElementById("txtpassword"))) {
        alert('Please enter Password.');
        document.getElementById("txtpassword").focus();
        document.getElementById("txtpassword").select();
        return false;
    }
    setCookie('username', "", 365);
    return true;
}

function getCookie(c_name) {
    if (document.cookie.length > 0) {
        c_start = document.cookie.indexOf(c_name + "=");
        if (c_start != -1) {
            c_start = c_start + c_name.length + 1;
            c_end = document.cookie.indexOf(";", c_start);
            if (c_end == -1) c_end = document.cookie.length;
            return unescape(document.cookie.substring(c_start, c_end));
        }
    }
    return "";
}

function setCookie(c_name, value, expiredays) {
    var exdate = new Date();
    exdate.setDate(exdate.getDate() + expiredays);
    document.cookie = c_name + "=" + escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString());
}


function validtext_new() {
    if (emptyField(document.getElementById("txtcityname"))) {
        alert('Please enter City Name.');
        document.getElementById("txtcityname").focus();
        document.getElementById("txtcityname").select();
        return false;
    }
    if (document.getElementById("txtcityname").value == "Search By City Name") {
        alert('Please enter City Name.');
        document.getElementById("txtcityname").value = "";
        document.getElementById("txtcityname").focus();
        document.getElementById("txtcityname").select();
        return false;
    }

}

function cleartext2() 
{
    if (document.getElementById("txtcityname").value == "Search By City Name") 
    {
        document.getElementById("txtcityname").value = "";
    }
}