//提交时提交按钮变灰，避免二次提交开始
function CheckInput(button)
{
	document.getElementById( button ).disabled = true;
}
//弹出提示后进入页面开始
function confirmdel_yes(url,title)
{
	if (confirm(title)) 
	{
		//window.location.href=url
		document.write("<form name='hrefform1' method='post' action='"+ url +"'></form>")
		hrefform1.submit()
	}
}
//弹出提示后进入页面结束

//添加管理员
function adminadd(str)
{
	if(form1.adminname.value=="")
	{
		alert("用户名不能为空")
		return false;
	}
	CheckInput(str)
}

//加载页面时间等待
function admin_load()
{
	fh = '"';
	Height = (document.body.scrollHeight+15);
	if(Height<document.body.clientHeight){Height="100%";}
	adminLoad.innerHTML = "<div id='_adminloadalpha' style='position: absolute;top: 0;left: 0;z-index: 1;width: 100%;height:"+ Height +";background-color: #000;filter:alpha(opacity=0);'></div><div style='position: absolute;top: 0;left: "+ (document.body.scrollWidth-180) +";z-index: 2;'><table width='180' border='0' align='center' cellpadding='0' cellspacing='0'><tr><td height='30' align='center' bgcolor='#FFFFFF' style='font-size:12px;color:#000000;' id='ymzrz'><img src='../images/loading_16x16.gif' width='16' height='16'>&nbsp;页面载入中...</td></tr></table></div><iframe src='' style="+ fh +"position:absolute; visibility:inherit;top:0px; left:0px; width:100%; height:"+ Height +"; z-index:3; filter='progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)';"+  fh+"></iframe>";
	adminloadalpha();
	setTimeout("admin_load_ymzrz()","500")
}

//加载页提示语
var _admin_load_ymzrz = 1
function admin_load_ymzrz()
{
	if(_admin_load_ymzrz==1)
	{
		ymzrz.innerHTML = "<img src='../images/loading_16x16.gif' width='16' height='16'>&nbsp;页面载入中.&nbsp;&nbsp;";
		_admin_load_ymzrz = _admin_load_ymzrz + 1;
	}
	else if(_admin_load_ymzrz==2)
	{
		ymzrz.innerHTML = "<img src='../images/loading_16x16.gif' width='16' height='16'>&nbsp;页面载入中..&nbsp;";
		_admin_load_ymzrz = _admin_load_ymzrz + 1;
	}
	else if(_admin_load_ymzrz==3)
	{
		ymzrz.innerHTML = "<img src='../images/loading_16x16.gif' width='16' height='16'>&nbsp;页面载入中...";
		_admin_load_ymzrz = 1;
	}
	setTimeout("admin_load_ymzrz()","500")
}

//加载页面层渐变.
var _adminloadalpha_i = 0;
function adminloadalpha()
{
	_adminloadalpha_i = (_adminloadalpha_i+5)
	eval("_adminloadalpha").filters.alpha.opacity=_adminloadalpha_i;
	if(_adminloadalpha_i<40)
	{
		setTimeout("adminloadalpha()","1")
	}
}


//图片比例显示
function DownImage(ImgD,MaxWidth,MaxHeight)
{
	var image=new Image();
	image.src=ImgD.src;
	if(image.width>0 && image.height>0)
	{
		var rate = (MaxWidth/image.width < MaxHeight/image.height)?MaxWidth/image.width:MaxHeight/image.height;
		if(rate <= 1)
		{
			ImgD.width=image.width*rate;
			ImgD.height=image.height*rate;
		}
		else
		{
			ImgD.width=image.width;
			ImgD.height=image.height;
		}
	}
}