SOS，各位帮帮忙呀！

<script type="text/javascript" laugnage="javascript">
var sum=$distance;
var str;
var newstimer;

function cDate(oSum)
{
var min=Math.floor(oSum/60);
if(min<1)
{
min==0
}

var sec=oSum%60;
str=min*60+sec;
// if(str=="0"){
// window.setTimeout("window.parent.location.reload()",1000);
// }
str="（距离第"+$max_term_id+"期开奖还有"+str+"秒）"

return str ;
}

function submitForm()
{

if(sum<=0)
{
setTimeout('Reload()',1000);
}
else
{
sum=sum-1 ;
cDate(sum) ;

//document.getElementById("STime").value=str;

document.getElementById('oTime').innerHTML = str;
}
}
function Reload()
{
//clearInterval(newstimer)
// location.href=('clock_server.php')
window.location.reload(true);
}
newstimer=setInterval("submitForm()",1000)
</script>

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怎么把 str="（距离第"+$max_term_id+"期开奖还有"+str+"秒）"里面的改成白色显示？

str="<font color=white>（距离第"+$max_term_id+"期开奖还有"+str+"秒）</font>"