#allPage{width:1000px; height:100%; position:absolute; left:50%; margin-left: -500px; background:#000 url(../i/woter.jpg) center bottom no-repeat}
.bg_l{width:50%; height:100%; position:absolute; left:0; top:0;  background: #043a6e url(../i/woter_left.jpg) 0 bottom repeat-x;}
.bg_r{width:50%; height:100%; position:absolute; right:0; top:0;  background: #041d30 url(../i/woter_right.jpg) 0 bottom repeat-x;}