function Popup(url, height) {
    window.open(url, '', 'width=500, height=' + height + ',resizable=1');
}

$(function() {
    if ($.datepick) $('.datepicker').datepick({'dateFormat':'yy-mm-dd'});
});


String.prototype.trim = function() {
    return this.replace(/^\s+|\s+$/g, "");
}
String.prototype.ltrim = function() {
    return this.replace(/^\s+/, "");
}
String.prototype.rtrim = function() {
    return this.replace(/\s+$/, "");
}