// JavaScript Document
function setHeight(){
 if(document.getElementById("nav").offsetHeight >document.getElementById("main").offsetHeight ){
  var a=document.getElementById("nav").offsetHeight //左方主選單高度
  var b=document.getElementById("navT").offsetHeight //導覽列高度
  var c=document.getElementById("levl2").offsetHeight //第二層選單高度
  var d=document.getElementById("title").offsetHeight //標題高度
  //var e=document.getElementById("levl3").offsetHeight //第三層選單高度
  //var f=document.getElementById("levl4").offsetHeight //第四層選單高度
  var hei=a-b-c-d
 // if(e>0){
  // hei=hei-e
 // }
 // if(f>0){
 //  hei=hei-f
 // }
  document.getElementById("maincontent").style.height=hei+'px';
 }
}

function testBrowser()
{

   if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) //test for MSIE x.x;
    { 
     var ieversion=new Number(RegExp.$1) // capture x.x portion and store as a number
     
     if (ieversion>=8) {
        document.getElementById("linkbutton").style.marginLeft="10px"; //如果是IE8,調整這數字看看;
        document.getElementById("linkbutton").style.marginTop="25px";}
        
     if (ieversion>=7) {
        document.getElementById("linkbutton").style.marginLeft="10px"; //如果是IE7,調整這數字看看;
        document.getElementById("linkbutton").style.marginTop="25px";}    
    } //IE6就照CSS設定
    
      
    var ieversion=new Number(RegExp.$1)
	if (/MSIE (\d+\.\d+);/.test(navigator.userAgent) & ieversion<=7){ //test for MSIE x.x; 
        	DayOrNight(); //日夜不同背景
	}
	else{
		setHomeByBrowser()
	}
}

function setHomeByBrowser(){
	
	if(screen.width>1024){ //如果是ie6,7以外的瀏覽器
	    document.getElementById("wrapper").style.backgroundImg="../images/main_bg_b.jpg"
		document.getElementById("nav").style.paddingLeft=0;
		document.getElementById("nav").style.marginRight="17px";
		document.getElementById("main").style.marginRight="17px";
		document.getElementById("sidebar").style.width="200px"
		document.getElementById("sidebar").style.paddingLeft="17px";
		document.getElementById("sidebar").style.marginRight="0px";
		
		//中間下方的圖片連結在firefox中左邊會凸出 (20090901 Josie)
		document.getElementById("linkbutton").style.marginTop="18px";
		document.getElementById("linkbutton").style.marginLeft="10px";
		document.getElementById("linkbutton").style.width="540px"; 
		document.getElementById("linkbutton").style.marginBottom="10px";
		
		//四塊分區服務在firefox會太後面的修正 (20090901 Josie)
		document.getElementById("ms1ul").style.paddingLeft="13px";
		document.getElementById("ms2ul").style.paddingLeft="13px";
		document.getElementById("ms3ul").style.paddingLeft="13px";
		document.getElementById("ms4ul").style.paddingLeft="13px";
	}
}

function testContentBrowser(){
var ieversionc=new Number(RegExp.$2)
	if (/MSIE (\d+\.\d+);/.test(navigator.userAgent) & ieversionc<=7){ //test for MSIE x.x;
	    DayOrNight();

	}
	else{
		setContentByBrowser()
	}
}

function setContentByBrowser(){
	document.body.className="bg_browser"
	if(screen.width>1024){
	   // document.getElementById("wrapper").style.backgroundImg="../images/main_bg_b.jpg"
		document.getElementById("nav").style.paddingLeft=0;
		document.getElementById("nav").style.marginRight="17px";
		document.getElementById("main").style.marginRight="17px";
		document.getElementById("sidebar").style.paddingLeft="6px";
		document.getElementById("sidebar").style.marginRight="0px";
		document.getElementById("sidebar").style.backgroundPosition=" 6px 37px"
		document.getElementById("sidebar").style.width="63px"
	}
}

function DayOrNight(){
    
    document.body.className="bg_day"

}

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_showHideLayers() { //v6.0
  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; }
	    if (v!='bool') {
			obj.visibility=v;
		}
		else if (obj.visibility=='visible') {
			obj.visibility='hidden';
		}
		else if (obj.visibility=='hidden' || obj.visibility=='') {
			obj.visibility='visible';
		}
	}
}

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_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 showHideContent(show, hide1, hide2) {
	document.getElementById("content"+show).style.display="block" ;
	document.getElementById("content"+hide1).style.display="none";
	document.getElementById("content"+hide2).style.display="none";
}

function setFont(size){
	document.getElementById("wrapper").className="font_"+size;
}

function setEngHeight(){
 if(document.getElementById("nav").offsetHeight >document.getElementById("main").offsetHeight ){
  document.getElementById("mainContent").style.height='490px';
 }
}