#placer183 { z-index:1; width:750px; margin-left:-5000px; margin-top:0px; } 
#obj183 { z-index:1; width:750px; _height:448px; min-height:448px;  } 
#footer183 { width:500px;  _height:0px; min-height:0px; } 
#obj1 { _height:494px; min-height:494px; }