#teaser_block{ height:100%; width:100%; position:relative; top:0; left:0; overflow:hidden}
#teaser_block .teaser{ height:100%; width:100%; position:absolute; top:0; left:0;}
#teaser1{display:block; }
#teaser2 , #teaser3 , #teaser4{ display:none; }
#teaser_block .image , #teaser_block .flash{height:100%; width:100%; position:absolute; top:0; left:0;}