用JAVASCRIPT来选择网页的Select里面的OPTION
<script language="javascript">
function ChangeSelect(c)
{
f = document.form1;
for (var i = 0; i < f.continent.length; i++)
{
if(f.continent.options[i].value == c){
f.continent.options[i].selected = true;
}
}
}
</script>