body
{
padding:0;
margin:0px auto auto auto;
font-size:14px;
font-family:Arial, Helvetica, sans-serif;
}
a{
	text-decoration: none;
	color: #005AB5;
}
#main_container{
width:900px;
height:auto;
margin:auto;
padding:0px;
}
#logo{
width:300px;
height:90px;
margin:auto;
margin-top:40px;
background-image:url(image/logo.gif);
background-repeat:no-repeat;
overflow:auto;
}


/*---------------- menu tab----------------------*/
#menu_tab{
width:870px;
height:20px;
margin:auto;
margin-top:40px;
text-align:center;
float:left;
}

ul.menu li {
display:inline;
}


/*----------------main_content----------------*/
#main_content{
width:870px;
clear:both;
background-color:#eeeeee;
height:auto;
margin:auto;
margin-top:10px;
padding:10px 10px 10px 10px;
}

/*----footer---------*/
#footer{
width:870px;
clear:both;
padding:5px 0 0 0;
margin:auto;
margin-top:10px;
height:auto;
border-top:1px #eeeeee solid;
text-align:center;
font-size:12px;
color:#999999;
}
#ad{
width:400px;
height:30px;
margin:auto;
padding:20px 0 0 0;
overflow:auto;
}