elements = new Array();

function getElementsByClass(searchClass,node,tag) {
        var classElements = new Array();
        if ( node == null )
                node = document;
        if ( tag == null )
                tag = '*';
        var els = node.getElementsByTagName(tag);
        var elsLen = els.length;
        var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
        for (i = 0, j = 0; i < elsLen; i++) {
                if ( pattern.test(els[i].className) ) {
                        classElements[j] = els[i];
                        j++;
                }
        }
        return classElements;
}

function removeActive(){
    elements = getElementsByClass("star active");
    for(var i = 0; i< elements.length; i++)
         elements[i].className = "star";
}

function resetActive(){
    for(var i = 0; i< elements.length; i++)
         elements[i].className = "star active";
}