/**
 * Scroll Bar Object
 */
function Scrollbar(handler){
    this.handler = handler;    

    this.handler.onscroll = function(){
        var targets = event.srcElement.target.split(",");

        for (var i=0; i < targets.length; i++){
            var target = window.document.getElementById(targets[i]);
            target.scrollLeft = event.srcElement.scrollLeft;
        }        
    }
}