cUtils.prototype.Events = {};

// attach event handler to the element
cUtils.prototype.Events.addHandler = function(object, event, handler)
{
    if (typeof object.addEventListener != 'undefined')
        object.addEventListener(event, handler, false);
    else if (typeof object.attachEvent != 'undefined')
        object.attachEvent('on' + event, handler);
    else
        throw "Incompatible browser";
}, 

// remove event handler from the element
cUtils.prototype.Events.removeHandler = function(object, event, handler){
    if (typeof object.removeEventListener != 'undefined')
        object.removeEventListener(event, handler, false);
    else if (typeof object.detachEvent != 'undefined')
        object.detachEvent('on' + event, handler);
    else
        throw "Incompatible browser";
}