var LeftNum=0,RightNum=0;

// 選中當前所選定的行
function selectThis()
{
 var newRow,newCell,index;
 index=parent.frames.item("FunctionList").document.all.item("FunctionList").selectedIndex;
 addItem(index);
 getRows();
 enableButtons(LeftNum,RightNum);
}

//增加下拉框的項目
function addItem(index)
{
 var optionLen,theIndex;
 var newRow,newCell,SelList="";
 SelList="&nbsp;<select>\r"+
       "<option value=\"1\" selected>瀏覽信息</option>\r"+
       "<option value=\"2\">更新信息</option>\r"+
       "<option value=\"3\" >刪除信息</option>\r"+
       "</select>";


 newRow=parent.frames.item("AddFunction").Tb.insertRow();  //增加一行
 newRow.id=parent.frames.item("FunctionList").document.all.item("FunctionList").options(index).value;
 newRow.className="Normal";

 newCell=newRow.insertCell();  //增加權限名稱一列
 newCell.noWrap=true;
 newCell.align="left";
 newCell.innerText=parent.frames.item("FunctionList").document.all.item("FunctionList").options(index).text;
 newCell=newRow.insertCell();//增加具體權限下拉框
 newCell.noWrap=true;
 newCell.innerHTML=SelList;

 parent.frames.item("FunctionList").document.all.item("FunctionList").remove(index);

}


//刪除當前所選定的行
function deleteThis()
{
 var optionLen,theRowID;
 theRowID=parent.frames.item("SelBut").document.all.item("RowID").value;
 optionLen=parent.frames.item("FunctionList").document.all.item("FunctionList").length;
 parent.frames.item("FunctionList").document.all.item("FunctionList").length=optionLen+1;
 parent.frames.item("FunctionList").document.all.item("FunctionList").options(optionLen).value=theRowID;
 parent.frames.item("FunctionList").document.all.item("FunctionList").options(optionLen).text=parent.frames.item("AddFunction").document.all.item("Tb").rows(theRowID).cells(0).innerText;

 parent.frames("AddFunction").document.all.item("Tb").deleteRow(parent.frames.item("AddFunction").document.all.item("Tb").rows(theRowID).rowIndex);
 parent.frames("AddFunction").PreiorSel="";
 parent.frames("AddFunction").isDel=true;
 getRows();
 enableButtons(LeftNum,RightNum);
}


//選中所有的行
function selectAll()
{
 for (index=parent.frames.item("FunctionList").document.all.item("FunctionList").length-1;index>=0;index--)
      addItem(index);
 getRows();
 enableButtons(LeftNum,RightNum);
}


//刪除所有行
function deleteAll()
{
 	var i;
 	i=parent.frames.item("AddFunction").document.all.item("Tb").rows.length-1;
 	while (i>=1)
 	{
 		parent.frames.item("SelBut").document.all.item("RowID").value=parent.frames.item("AddFunction").document.all.item("Tb").rows(i).id;
 		deleteThis();
 		i--;
 	}
 	getRows();
 	enableButtons(LeftNum,RightNum);
}

//控制選擇按鈕的Diaabled屬性
function enableButtons(ileft,iright)
{
 	parent.frames.item("SelBut").document.all.item("btnRight").disabled=1;
 	parent.frames.item("SelBut").document.all.item("btnLeft").disabled=1;
 	parent.frames.item("SelBut").document.all.item("btnRightAll").disabled=(ileft>0?0:1);
 	parent.frames.item("SelBut").document.all.item("btnLeftAll").disabled=(iright>0?0:1);
}

//獲得當前的總行數
function getRows()
{
 	LeftNum=0;
 	RightNum=0;
 	if (parent.frames("FunctionList").document.all.tags("SELECT").length>0)
   		LeftNum=parent.frames.item("FunctionList").document.all.item("FunctionList").length;
 	if (parent.frames("AddFunction").document.all.tags("Table").length>0)
   		RightNum=parent.frames.item("AddFunction").document.all.item("Tb").rows.length-1;
}