#placer23 { z-index:1; width:537px; margin-left:-5000px; margin-top:0px; } 
#obj23 { z-index:1; width:537px; _height:713px; min-height:713px;  } 
#footer23 { width:500px;  _height:0px; min-height:0px; } 
#obj1 { _height:731px; min-height:731px; }