// JScript 文件 szsheng

String.prototype.trim=function(){return this.replace(/(^\s*)|(\s*$)/g,"");}
String.prototype.ltrim=function(){return this.replace(/(^\s*)/g, "");}
String.prototype.rtrim=function(){return this.replace(/(\s*$)/g, "");}
String.format = function(){
    if(arguments.length == 0)
        return null; 
    var str = arguments[0]; 
    for(var i=1;i<arguments.length;i++)
    {
        var re = new RegExp('\\{' + (i-1) + '\\}','gm');
        str = str.replace(re, arguments[i]);
    }
    return str;
}

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];}
}

//Create By szsheng
function ActiveSwapImage(imgId,hoverImgPath)
{
    $(imgId).onmouseout = MM_swapImgRestore;
    $(imgId).onmouseover = function(){MM_swapImage(imgId,'',hoverImgPath,1);};
}

function ShowAndHideElement(srcEle,imgEle,ctrEle,expImg,bExpanded)
{
    var closeImg = imgEle.src;
    if(bExpanded){
        imgEle.src = expImg;
        ctrEle.style.display = ""
    }else{
        imgEle.src = closeImg;
        ctrEle.style.display = "none";
    }
    
    srcEle.onclick = function(){
        if(ctrEle.style.display == "none"){
            imgEle.src = expImg;
            ctrEle.style.display = ""
        }
        else{
            imgEle.src = closeImg;
            ctrEle.style.display = "none";
        }
        return false;
    };
    srcEle = null;
}

function GetRadioValue(groupName)
{
	var radios=document.getElementsByName(groupName); 
	for (i=0;i<radios.length;i++)
	{ 
		if(radios[i].checked) 
			return radios[i].value; 
	} 
}

function SelectRadioByValue(radioName,radioValue)
{
   var vids = document.getElementsByName(radioName);
   for(var i=0;i<vids.length;i++)
   {
		if(radioValue == vids[i].value)
		{
			vids[i].checked = true;
			break;
		}
   }
}

var Request = {
    QueryString : function(item){
        var svalue = location.search.match(new RegExp("[\?\&]" + item + "=([^\&]*)(\&?)","i"));
        return svalue ? svalue[1] : svalue;
    }
 }

function debug(obj)
{
    for(var i in obj)
        document.write(i + " ----- " +obj[i]+ "<br><br>");
}

Date.prototype.format=function(pattern)
{
    function fs(num)
    {
        return num<10 ? "0"+num : num.toString();
    }
    
    var s = pattern.replace(/yyyy/g,this.getUTCFullYear().toString());
    s = s.replace(/MM/g,fs(this.getUTCMonth() + 1));
    s = s.replace(/dd/g,fs(this.getUTCDate()));
    s = s.replace(/hh/g,fs(this.getUTCHours()));
    s = s.replace(/mm/g,fs(this.getUTCMinutes()));
    s = s.replace(/ss/g,fs(this.getUTCSeconds()));
    return s;
}

function vbsConfirm(str,buttons)
{  
  str = str.replace(/\'/g,   "'&chr(39)&'").replace(/\r\n|\n|\r/g,   "'&VBCrLf&'");  
  execScript("n = msgbox('"+ str +"',"+ buttons +",' E-Chinese Learning')",   "vbscript");  
  return n;  //1确定 2取消 6是 7否
}

function getIEVersion()
{
    var ua = navigator.userAgent;
    if(/MSIE/i.test(ua))
        return parseInt(/MSIE\s+(\d).*?;/i.exec(ua)[1]);
    return 6;
}

function AjaxCallInit(msg)
{
    var str = "正在处理，请稍等。";
    if(msg)
        str = msg;
    Lightbox.setLoading(true,str);
}
function AjaxCallEnd()
{
    Lightbox.setLoading(false);
}

function getEle(eleid){
	var obj;
	if(-1 != navigator.userAgent.indexOf("MSIE"))
	{
	    obj = document.getElementById(eleid);
	    if(!obj)
	        obj = document.getElementsByName(eleid)[0];
	}
	else
	{
	    
	    var objs = document.getElementsByName(eleid);
	    if(objs)
	        obj = objs[0];
	    if(!obj)
	        obj = document.getElementById(eleid);
	}
    return obj;
}

function   CheckTime(StrTime)
{   
    //判断时间是否正确   格式是**:**   
          var   flag=true;   
          var   PreStrTime;   
          if(StrTime.indexOf(':')==-1)   
          {   
                flag=false;   
          }   
          else   
          {   
            PreStrTime=StrTime.substring(0,StrTime.indexOf(':'));   
            LastStrTime=StrTime.substring(StrTime.indexOf(':')+1,StrTime.length);   
            if(!isNum(PreStrTime)||!isNum(LastStrTime))   
              flag=false;   
            
            if((PreStrTime<0)||(PreStrTime>23))   
              flag=false;   
            if((LastStrTime<0)||(LastStrTime>59))   
              flag=false;     
          }           
        return   flag;       
  }