$(function() {

   SetCurrentMenu();

   $(".mainMenu").children().children().hover(function() {
      //$(".mainMenu li").removeClass("current");
      $(".subMenu div").not("#" + $(this).attr("className")).hide();
      $(".subMenu #" + $(this).attr("className")).show();
      SetCurrentMenu();
   });

   $(".subMenu").children().hover(function() {
      $(".mainMenu ." + $(this).attr("id")).addClass("current");
   }, function() {
      $(this).hide();
      $(".mainMenu ." + $(this).attr("id")).removeClass("current");
      SetCurrentMenu();
   });
});

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_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];}
}

//說明：用 JavaScript 實現網頁圖片等比例縮放 
function DrawImage(ImgD,FitWidth,FitHeight) {
   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;
         }
      }
   } 
}

function SetCurrentMenu() {
   var pathArray = window.location.pathname.split('/');
   var newPathname = pathArray[pathArray.length - 1];

   var pag = new Array(8);
   pag[0] = "LawSearch.aspx,LawList.aspx,LawContent.aspx,LawArticle.aspx,LawArticleSearch.aspx";
   pag[1] = "JudicialSearch.aspx,JudicialList.aspx,JudicialContent.aspx,JudicialBasisArticle.aspx,LetterSearch.aspx,LetterList.aspx,LetterContent.aspx,LetterBasisArticle.aspx";
   pag[2] = "BookSearch.aspx,BookList.aspx,BookContent.aspx";
   pag[3] = "PleadingsSearch.aspx,PleadingsList.aspx";
   pag[4] = "ContractSearch.aspx,ContractList.aspx";
   pag[5] = "SeminarList.aspx,SeminarContent.aspx,ForumSearch.aspx,ForumList.aspx,ForumContent.aspx,LiteratureList.aspx,LiteratureContent.aspx,MagazineList.aspx";
   pag[6] = "WebLinkList.aspx";
   pag[7] = "";

   var classname = "";

   for(var i in pag){
      if (pag[i].match(newPathname)){
         switch (i) {
            case "0":
               classname = "lawSearch";
               break;
            case "1":
               classname = "letterjudicial";
               break;
            case "2":
               classname = "bookSearch";
               break;
            case "3":
               classname = "PleadingsSearch";
               break;
            case "4":
               classname = "ContractSearch";
               break;
            case "5":
               classname = "Service";
               break;
            case "6":
               classname = "WebLink";
               break;
            default:
               classname = "";
               break;
         }
      }    
   }

   if (classname.length > 0) {
      $("." + classname).addClass("current");
      $("#" + classname).show();
   }
}

/* 讓iFrame的高度與內容一樣 */
function dyniframesize(iframename) {
   var pTar = null;
   var FFextraHeight = (navigator.userAgent.indexOf("Firefox") > -1) ? 16 : 0;

   if (document.getElementById) {
      pTar = document.getElementById(iframename);
   } else {
      eval('pTar = ' + iframename + ';');
   }
   if (pTar && !window.opera) {
      //begin resizing iframe
      pTar.style.display = "block"
      var iframeHeight = pTar.contentWindow.document.body.scrollHeight
      if (FFextraHeight > 0 && pTar.contentDocument && pTar.contentDocument.body.offsetHeight) {
         //ns6 syntax
         pTar.height = pTar.contentDocument.body.offsetHeight + FFextraHeight;
      } else if (pTar.Document && pTar.Document.body.scrollHeight) {
         //ie5+ syntax
         pTar.height = pTar.Document.body.scrollHeight;
      } else if (iframeHeight > 0) {
         //chrome + ns7
         pTar.height = pTar.contentWindow.document.body.scrollHeight;
      }
   }
}