//document.getElementBy()
function $() 
{ 
    var elements = new Array(); 
    for (var i = 0; i < arguments.length; i++) 
    { 
        var element = arguments[i]; 
        if (typeof element == 'string') 
            element = document.getElementById(element); 
        if(arguments.length == 1) 
            return element; 
        elements.push(element); 
    } 
    return elements; 
}