body
{
background-image: url('bg.jpg');
background-repeat: repeat-y;
background-position: center;
} 


#header{
position: relative;
left: 2%;
margin-top: 4.5%;
width: 96%;
Height: 35px;
background-image: url('flat.jpg'); 
background-repeat: repeat;
}

#main{
position: relative;
margin-left: auto;
margin-top: auto;
margin-right: auto;
width: 636px;
height: 425px;
}

#menu{
position: relative;
left: 2%;
top: 0px;
width: 96%;
Height: 35px;
background-image: url('flat.jpg'); 
background-repeat: repeat;
}

#contact{
position: relative;
top: 10px;
}

.alignleft {
float: left;
}

.alignright {
float: right;
}