function ConfirmDel()//弹出对话框
{
   if(!confirm("确定删除?"))
	 return false;
}
function post_ok()
{
   if(!confirm("确定提交?"))
	 return false;
}

function back()
{
    history.back();
}
function pro_class(str,str1)
{
	var obj;
	obj = document.getElementById(str);
	if (obj.value=="0")
	{
		alert(str1);
		obj.focus();
		return false;
	}
}
//全选
function CheckAll(form,str)
{
	var obj;
	obj = document.getElementById(str);
	for (var i=0;i<form.elements.length;i++)
	{
		form.elements[i].checked = obj.checked;
	}
}

function unselectall()
{
	var obj;
	obj = document.getElementById("allchk");//这样导致控件名为必须指定为..."分页控件_删除"升级中...
	if(obj.checked)
	{
		obj.checked = obj.checked&0;
	}
}

//折叠/展开菜单
function showsubmenu(sid)
{
	whichEl = eval("submenu" + sid);
	imgmenu = eval("imgmenu" + sid);
	if (whichEl.style.display == "none")
	{
		eval("submenu" + sid + ".style.display='';");
		//imgmenu.background="images/menuup.gif";
	}
	else
	{
		eval("submenu" + sid + ".style.display='none';");
		//imgmenu.background="images/menudown.gif";
	}
}