#menu {
	width: 100%;
}
#menu .content {
  width: 100%;
  float: left;
  height:27px;
}
#menu .center{
  margin: 0 250px 0 250px;
}
#menu .left{
  float: left;
  width: 250px;
  margin-left: -100%;
}
#menu .right{
	float: left;
	width: 250px;
	margin-left: -250px;
	text-align: right;  
}
#menu .center_left{
	width: 50%;
	float:left;
	text-align: center;  
}
#menu .center_right{
	width: 50%;
	float:right;
	text-align: center;  
}