// ------------------------------------------------------------------------------------------
// Copyright AspDotNetStorefront.com, 1995-2010.  All Rights Reserved.
// http://www.aspdotnetstorefront.com
// For details on this license please visit  the product homepage at the URL above.
// THE ABOVE NOTICE MUST REMAIN INTACT.
// ------------------------------------------------------------------------------------------
function $bindMethod(object, method) {
  return function() {
    return method.apply(object, arguments);
  };
}

function $window_addLoad(handler) {
    if (handler != undefined) {
        if (window.addEventListener) {
            window.addEventListener('load', handler, false);
        }
        else if (document.addEventListener) {
            document.addEventListener('load', handler, false);
        }
        else if (window.attachEvent) {
            window.attachEvent('onload', handler);
        }
        else {
            if (typeof window.onload == 'function') {
                var oldload = window.onload;
                window.onload = function() {
                    oldload();
                    handler();
                }
            }
            else { window.onload = init; }
        }
    }
}

function $getElement(id, handler) {
    var el = document.getElementById(id);
    return el;
}

var Keys = {
    Enter: 13
}

function $handleSearchEnterKey(id, handler) {
    var el = $getElement(id);    
    if(el) {
        var delKeypress = function(e) {

            var keyCode;
            if (e && e.which) {
                keyCode = e.which;
            }
            else if (typeof (event) != 'undefined') {
                keyCode = event.keyCode;
            }

            // we must manually invoke the Page_ClientValidate
            // method here since relying on the normal behavior
            // is not guaranteed to set the appropriate validation flags
            // to stop the postback.
            if (keyCode == Keys.Enter) {
                if (typeof (Page_ClientValidate) != 'undefined') {
                    if (Page_ClientValidate() == false) {
                        return;
                    }
                }

                handler();

                return false;
            }
        }
        
        el.onkeypress = delKeypress;
    }

}