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//第四步，实现对栏目及相关论坛的排序，基本思路就是对数组进行重新组合排序。function On_OrderUp()
{
var CategoryIndex = frmManager.selCategoryName.selectedIndex ;
var ForumIndex = frmManager.selForumName.selectedIndex ;
if (ForumIndex == -1 && CategoryIndex > 0)
{
for (var i = 0 ; i < aCategory.length ; i ++)
{
if (aCategory[i].CategoryID == frmManager.selCategoryName[CategoryIndex].value)
{
var temp = new MakeCategory(aCategory[i].CategoryID , aCategory[i].CategoryName , aCategory[i-1].OrderNum)
aCategory[i].CategoryID = aCategory[i-1].CategoryID
aCategory[i].CategoryName = aCategory[i-1].CategoryName
aCategory[i].OrderNum = aCategory[i].OrderNum
aCategory[i-1] = temp
On_Load()
frmManager.selCategoryName.selectedIndex = i - 1
On_CategoryChange()
return true ;
}