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];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function AttachDomEvent(obj,name,func){   
  if(obj.attachEvent)   
     obj.attachEvent("on"+name,func);   
  if(obj.addEventListener)   
     obj.addEventListener(name,func,true);   
}

function doAlertMessage(msg)
		{
			//Modify by Shun-Yi 2011/11/04
			//改用 <c:out /> 後 msg 會變成空字串
			//if(msg != 'null')
			if(msg != 'null' && msg != '')
            alert(msg);
		} 
		
function modifyHOT(HOTId){ 
	HOT=document.getElementById(HOTId); 
	if( HOT.style.display == "none") 
		HOT.style.display = ""; 
	else 
		HOT.style.display = "none"; 
}


//URL編碼
//ex: encodeURL('test.jsp', [[paramName, value],...])
function encodeURL(url, paramArr){
	var result = url + '?';
	for(var i=0; i<paramArr.length; i++){
		if( i!=0 ){
			result += '&';
		}
		//Modify by Shun-Yi 2011/11/15
		//修正 Cross-Site Scripting: Reflected 問題 (No. 43)
		//result += paramArr[i][0] +'='+ encodeURIComponent(paramArr[i][1]);
		result += encodeURIComponent(paramArr[i][0]) +'='+ encodeURIComponent(paramArr[i][1]);
	}

	return result;
}

//Add by Shun-Yi 2011/11/24
//將其他 JSP 中判斷是否為 IE 的函數移到此
function getIEFlag() {
	var isIEFlag = false;
	if (navigator.appName.indexOf("Explorer") > -1) {
		isIEFlag = true;
	}
	return isIEFlag;
}

//Add by Alvin 2011/11/29
//press Enter key trigger btn onClick
function doClickBtn(event, btnId){
	if( window.event ){              
		key = window.event.keyCode;     //IE
	}
	else{
        key = event.which;     //firefox
	}
	
	if (key == 13){
        //Get the button the user wants to have clicked
        var btn = document.getElementById(btnId);
        if (btn != null){ //If we find the button click it
            btn.click();
            event.keyCode = 0;
        }
    }
}

//Add by Alvin 2011/11/29
function padLeft(str, len, padStr){
	if(str.length >= len){
		return str;
	}
	else{
		return padLeft(padStr+str, len, padStr);
	}
}