[devote]

<div id="errorBar" onclick="selectElement(this).hide()">123</div>
<script>
function selectElement( elem ) {
    return new selectElement.prototype.init( elem );
}
selectElement.prototype = {
    constructor: selectElement,
    length: 0,
    init: function( elem ) {
        this[0] = elem;
        this.length = 1;
        return this;
    },
    hide: function() {
        var elem, i = this.length;
        for( ;elem = this[ --i ]; ) {
             elem.style.display = 'none';
        }
        return this;
    }
}
selectElement.prototype.init.prototype = selectElement.prototype;
</script>