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_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];}
}


//showLayer()函式，參數為觸發該函式的元素及所屬頁面ID
function arr_showLayer(obj,div,arr_id,cs_name){
	//若目前的currentLayer不等於obj.id 表示要換頁面
	if(arr_currentLayer[arr_id]!=obj.id) {
		//先改變上一個頁籤及頁面的樣式
		arr_showIt(arr_currentLayer[arr_id],arr_currentDiv[arr_id],false,cs_name);
		//重設currentLayer及currentDiv的值
		arr_currentLayer[arr_id] = obj.id;
		arr_currentDiv[arr_id] = div;
		//最後再改變目前頁籤及頁面的樣式
		arr_showIt(arr_currentLayer[arr_id],arr_currentDiv[arr_id],true,cs_name);
	}
}
//showIt()函式，參數為currentLayer、currentDiv及模式
//mode為true時 則表示目前作用中 所以要顯示
//mode為false時 則表示目前非作用中 所以要隱藏
function arr_showIt(o,d,mode,cs_name){
	var obj = document.getElementById(o);
	var div = document.getElementById(d);
	//改變className則表示改變該元素所用的class
	obj.className = (mode?"":"in")+cs_name;
	div.style.display = mode?"block":"none";
}

function DrawImage(ImgID,FitWidth,FitHeight) {
  var ImgD= document.getElementById(ImgID);
  
  var image=new Image();image.src=ImgD.src;
  if(image.width>0 && image.height>0){
    if(image.width/image.height>= FitWidth/FitHeight){
      if(image.width>FitWidth){ ImgD.width=FitWidth;ImgD.height=(image.height*FitWidth)/image.width;
      }else{ ImgD.width=image.width;ImgD.height=image.height; }
    }else{
      if(image.height>FitHeight){ ImgD.height=FitHeight;ImgD.width=(image.width*FitHeight)/image.height;
      }else{ ImgD.width=image.width;ImgD.height=image.height; }
    }
	/*
	ImgD.style.marginTop = ((FitHeight - ImgD.height )/2)+"px";
  	ImgD.style.marginBottom = ((FitHeight - ImgD.height )/2)+"px";*/
  }
}

function delayDo( func , sec){
	
	window.setTimeout(func,sec);
}