<SCRIPT language=JavaScript>
lck=0;
function r(hval)
{
if ( lck == 0 )
{
document.bgColor=hval;
}
}
</SCRIPT>
<P align=middle vAlign="top">
<BUTTON onclick="r('#E7F4FE')">蓝</BUTTON>
<BUTTON onclick="r('#E9FAFF')">浅</BUTTON>
<BUTTON onclick="r('#ffffef')">黄</BUTTON>
<BUTTON onclick="r('#efffff')">蓝</BUTTON>
<BUTTON onclick="r('#efffef')">绿</BUTTON>
<BUTTON onclick="r('#e4defe')">紫</BUTTON>
<BUTTON onclick="r('#e4efff')">浅</BUTTON>
<BUTTON onclick="r('#a6d8f1')">蓝</BUTTON>
<BUTTON onclick="r('#669933')">青</BUTTON>
</P>