var onecount;
onecount=0;
subcat = new Array();
subcat[0] = new Array('种植业','农业技术','种植业');
subcat[1] = new Array('养殖业','农业技术','养殖业');
subcat[2] = new Array('水产业','农业技术','水产业');
subcat[3] = new Array('综合类','农业技术','综合类');
subcat[4] = new Array('科普宣传','农业技术','科普宣传');
subcat[5] = new Array('新闻报道','视频新闻','新闻报道');
subcat[6] = new Array('领导讲话','视频新闻','领导讲话');
onecount=7;
function changebsort(kindid)
{
document.myform.ssort.length = 0; 
var kindid=kindid;
var i;
for (i=0;i < onecount; i++)
{
if (subcat[i][1] == kindid)
{ 
document.myform.ssort.options[document.myform.ssort.length] = new Option(subcat[i][0], subcat[i][2]);
}
}
}