e_rotator.restartDelay = 500;
e_rotator.col = []; 
function e_rotator(name, speed, path, tgt) {
    this.name = name; this.speed = speed || 4500;
    this.path = path || ""; this.tgt = tgt;
    this.ctr = 0; this.timer = 0; this.imgs = []; this.actions = [];
    this.index = e_rotator.col.length; e_rotator.col[this.index] = this;
    this.animString = "e_rotator.col[" + this.index + "]";
}

e_rotator.prototype.addImages = function() {
    var img;
    for (var i=0; arguments[i]; i++) {
        img = new Image();
        img.src = this.path + arguments[i];
        this.imgs[this.imgs.length] = img;
    }
}

e_rotator.prototype.addActions = function() {
    var len = arguments.length;
    for (var i=0; i < len; i++) 
        this.actions[this.actions.length] = arguments[i]; 
}

e_rotator.prototype.rotate = function() {
    clearTimeout(this.timer); this.timer = null;
    if (this.ctr < this.imgs.length-1) this.ctr++;
    else this.ctr = 0;
    var imgObj = document.images[this.name];    
    if (imgObj) {
        imgObj.src = this.imgs[this.ctr].src;
        this.timer = setTimeout( this.animString + ".rotate()", this.speed);
    }
}

e_rotator.start = function() {
    var len = e_rotator.col.length, obj;
    for (var i=0; i<len; i++) {
        obj = e_rotator.col[i];
        if (obj && obj.name )
            obj.timer = setTimeout( obj.animString + ".rotate()", obj.speed);
    }
}

e_rotator.doClick = function(n) {
    var obj = e_rotator.col[n]; 
	if ( !document.images || !obj ) return true;
    if ( obj.actions && obj.actions[obj.ctr] ) {
        if ( typeof obj.actions[obj.ctr] == "string" ) {
            if ( obj.tgt ) {
                var win = window.open(obj.actions[obj.ctr], obj.tgt);
                if ( win && !win.closed ) win.focus();
            } else {
                window.location = obj.actions[obj.ctr];
            }
        } else { 
            obj.actions[obj.ctr]();
        }
    }
    return false;
}
e_rotator.pause = function(n) {	
    e_rotator.clearTimers(n);
}

e_rotator.clearTimers = function(n) {
    var obj = e_rotator.col[n]; 
    if ( obj ) {
        clearTimeout( obj.timer ); obj.timer = null;
    }
}

e_rotator.resume = function(n) {
    e_rotator.clearTimers(n);
    var obj = e_rotator.col[n]; 
    if ( obj ) {
        obj.timer = setTimeout( obj.animString + ".rotate()", e_rotator.restartDelay );
    }
}