function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
//   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i]-1;}

}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

//判断是否为null
function isEmpty(s)
{   return ((s == null) || (s.length == 0))
}

//判断数字
function isDigit (c)
{   return ((c >= "0") && (c <= "9"))
}

//判断数值
function isInteger (s)
{    
    var i;

    if (isEmpty(s)) 
       if (isInteger.arguments.length == 1) return false;
       else return (isInteger.arguments[1] == true);
    
    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (!isDigit(c)) return false;
    } 
    // All characters are numbers.
    return true;
}

var oldBgColor;
function scbg(objRef, state) {
	
	if (1 == state)
	{
		//鼠眮E丒
		oldBgColor = objRef.style.backgroundColor;
		objRef.style.backgroundColor =  '#E6F1F9';
	}else{
		objRef.style.backgroundColor =  oldBgColor;
	}
	
	//objRef.style.backgroundColor = (1 == state) ? '#E6F1F9' : '#FFFFFF';
	return;
}

function showChangePsw()
{
	var formLeft=document.body.scrollLeft+(document.body.offsetWidth-300)/2;
	var n_width=300;
	var n_height=170;
	var n_newwin=window.open("ChangePsw.asp","","toolbar=no,directories=no,menubar=no,scrollbarsAnnance=no,resizable=no,top=150,left="+formLeft+",width="+n_width+",height="+n_height);
}