*{margin:0;padding:0;font-size:14px}
body{text-align:center;}
#btn{list-style:noneinside;width:210px;margin:10pxauto;clear:both;}
#btnli{float:left;width:100px;line-height:20px}
#btnlia{display:block;text-decoration:none;color:#333333}
#gray{background:#f5f5f5;cursor:pointer}
#green{background:#D7ECDE;cursor:pointer}
table{border-collapse:collapse;width:70%;margin:10pxauto}
td{line-height:100%;height:24px;line-height:24px;padding:04px}
tda{text-decoration:none;color:#333;display:block;}
#tab_graytd{border:1pxsolid#B9B9B9;background:#F2F2F2;}
#tab_greentd{border:1pxsolid#95CCA7;background:#EBF5EE;}
#tab_graytd:hover,#tab_greentd:hover{background:#fff;}
functiongreen(){
document.getElementById("tab_gray").id="tab_green";
}
functiongray(){
document.getElementById("tab_green").id="tab_gray";
}