var subsmallclassid = new Array();

subsmallclassid[0] = new Array(1,19,'图书一馆')

subsmallclassid[1] = new Array(1,20,'图书二馆')

subsmallclassid[2] = new Array(1,21,'都江堰校区')

subsmallclassid[3] = new Array(2,6,'中文资源')

subsmallclassid[4] = new Array(2,7,'外文资源')

subsmallclassid[5] = new Array(2,8,'视听学习资源')

subsmallclassid[6] = new Array(3,9,'借-还-续')

subsmallclassid[7] = new Array(3,10,'检索查找')

subsmallclassid[8] = new Array(3,11,'遗失赔书')

subsmallclassid[9] = new Array(4,12,'文献传递')

subsmallclassid[10] = new Array(4,15,'图书捐赠')

subsmallclassid[11] = new Array(4,16,'学位论文')

subsmallclassid[12] = new Array(4,17,'志愿者服务')

subsmallclassid[13] = new Array(4,18,'读书节活动')

function changesmallclassid(selectValue)
{
document.getElementById('smallclassid').length = 0;
document.getElementById('smallclassid').options[0] = new Option('-选择-','');
for (i=0; i<subsmallclassid.length; i++)
{
if (subsmallclassid[i][0] == selectValue)
{
document.getElementById('smallclassid').options[document.getElementById('smallclassid').length] = new Option(subsmallclassid[i][2], subsmallclassid[i][1]);
}
}
}
function changesmallerclassid(selectValue)
{
document.getElementById('smallerclassid').length = 0;
document.getElementById('smallerclassid').options[0] = new Option('-选择-','');
for (i=0; i<subsmallclassid.length; i++)
{
if (subsmallclassid[i][0] == selectValue)
{
	document.getElementById('smallerclassid').style.display='';
	document.getElementById('smallerclassid').options[document.getElementById('smallerclassid').length] = new Option(subsmallclassid[i][2], subsmallclassid[i][1]);
}
}
}


document.write ("<select name='classid' id='classid' style='width:120px' onChange='changesmallclassid(this.value)'>");
document.write ("<option value='' selected>-选择-</option>");

document.write ("<option value=1>意见建议</option>");

document.write ("<option value=2>电子资源</option>");

document.write ("<option value=3>馆藏纸本资源</option>");

document.write ("<option value=4>专题栏目</option>");

document.write ("<option value=5>常见问答</option>");

document.write ("</select>")

document.write ("  <select name='smallclassid' onChange='changesmallerclassid(this.value)' style='width:120px' id='smallclassid'>");
document.write ("<option value='' selected>-选择-</option>");
document.write ("</select>")
document.write ("  <select name='smallerclassid'  style='display:none;width:120px' id='smallerclassid'>");
document.write ("<option value='' selected>-选择-</option>");
document.write ("</select>")