.main{width:1000px;margin:0 auto;clear:both;}

#menu{float:left;width:230px;padding:0 0 30px 8px;}

#menu .bthome{background:0 0 no-repeat url(../images/bt_home.gif);width:76px;}
#menu .btoppo{background:no-repeat url(../images/bt_oppo.gif);width:148px;}
#menu .btsolu{background:no-repeat url(../images/bt_solu.gif);width:212px;}
#menu .btprod{background:no-repeat url(../images/bt_prod.gif);width:210px;}/*130*/
#menu .btprac{background:no-repeat url(../images/bt_prac.gif);width:179px;}
#menu .btwnew{background:no-repeat url(../images/bt_talk.gif);width:173px;}

#menu .bthome:hover{background-position:-77px 0;}
#menu .btoppo:hover{background-position:-149px 0;}
#menu .btsolu:hover{background-position:-213px 0;}
#menu .btprod:hover{background-position:-211px 0;}/*-136*/
#menu .btprac:hover{background-position:-179px 0;}
#menu .btwnew:hover{background-position:-180px 0;}

#content{float:left;width:760px;}
#jsheet {float:left;padding:1px 0 20px 19px;font-family:Verdana, Geneva, sans-serif;color:#333;width:736px}