// JavaScript Document

// system get element by id
//
function sysGetElementById(id){
	if (document.getElementById) {
		return (document.getElementById(id));
	} else if (document.all) {
		return (document.all[id]);
	} else {
		if ((navigator.appname.indexOf("Netscape") != -1) && parseInt(navigator.appversion == 4)) {
			return (document.layers[id]);
		}
	}
}

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_openBrWindow(theURL,winName,features) { //v2.0
	window.open(theURL,winName,features);

}


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 fitImgSize(img, maxWidth){
	if ( img.width > maxWidth ){
		img.width = maxWidth;
	}
}

function fitImgSize(img, maxWidth, maxHeight){
	if ( img.width > maxWidth ){ img.width = maxWidth; }
	if ( img.height > maxHeight ){ img.height = maxHeight; }
}

function full_Screen(){
	var ie55 = /MSIE ((5\.[56789])|([6789]))/.test( navigator.userAgent ) &&
		navigator.platform == "Win32";
	if ( !ie55 ) {
		window.onerror = function () {
			return true;
		}
	}
	window.resizeTo(screen.availWidth, screen.availHeight);
	window.moveTo(0, 0);
}


// Show date
//
function show_Date( target ){
	var today=new Date();
	//var targetDom = sysGetElementById(target);
	
	var dateValue = today.getFullYear() + "-" + (today.getMonth() + 1) + "-" + today.getDate();
	target.innerHTML = dateValue;

}

var timerID = null;
var timerRunning = false;

function stopclock (){
	if(timerRunning)
		clearTimeout(timerID);
	timerRunning = false;
}

function startclock ( target ) {
	stopclock();
	show_Time( target );
}

function show_Time( target ){
	var targetDom = sysGetElementById(target);
	
	var now = new Date();
	var hours = now.getHours();
	var minutes = now.getMinutes();
	var seconds = now.getSeconds();
	
	var timeValue = hours;
	timeValue += ((minutes < 10) ? ":0" : ":") + minutes;
	timeValue += ((seconds < 10) ? ":0" : ":") + seconds;
	
	target.value = timeValue;

	timerID = setTimeout("show_Time(" + target.id + ")",1000);
	timerRunning = true;
}


function show_tip(tips, flag, target){

	var targetDom = sysGetElementById(target);
	if(flag){
		targetDom.style.display="";

		targetDom.innerHTML= tips ;

		targetDom.style.left = event.clientX - 80;
		targetDom.style.top = event.clientY - 100;
		
	}else {
	
		targetDom.style.display="none";
	}
}


function chkMaxLength(oElem, accMaxLength)
{
    	if(oElem.value.length > accMaxLength){
		oElem.value = oElem.value.substr(0, accMaxLength);
		alert("文字不能超過 " + accMaxLength + " 字");
		oElem.focus();
		return;

	}
 }


function chkMaxLengthSimp(oElem, accMaxLength)
{
    	if(oElem.value.length > accMaxLength){
		oElem.value = oElem.value.substr(0, accMaxLength);
		alert("文字不能超過" + accMaxLength + " 字");
		oElem.focus();
		return;

	}
 }

function chkMaxLengthEng(oElem, accMaxLength)
 {
    	if(oElem.value.length > accMaxLength){
		oElem.value = oElem.value.substr(0, accMaxLength);
		alert("Cannot excess " + accMaxLength + " words");
		oElem.focus();
		return;

	}
 }