// JavaScript Document

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];}
}


/* 
	==============================
	from here down is stuff for highlighting 
	the top/side navs based on URL
	==============================
*/

function MM_swapImage() { //v3.0
  // edited by andy!!!!
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if (AH_swapOK(a[i]) && (x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// andy's navigational hacks...
function AH_swapOK( id ) {
  return !AH_thisPageID[id];
}

function AH_swapTopNav() { AH_swapAppropriateNav( AH_TopIDArr, "/images/main_nav/" ); }
function AH_swapWhatisNav() { AH_swapAppropriateNav( AH_WhatisIDArr, "/images/what_is_muj/" ); }


function AH_swapAppropriateNav( arr, library ) {
  for (var i=0; i<arr.length; i+=3) {
    if ( ! AH_thisPageID[ arr[i+1] ]) { continue; }
    if ( (x=MM_findObj(arr[i+1]))!=null ) { x.src = library + arr[i+2]; }
  }
}

AH_TopIDArr = [ 
  "jp/whatis_muj/", "whatis", "what_is_act.jpg", 
  "2008_finalists/", "finalists", "fin_act.jpg", 
  "archives/", "archives",  "arch_act.jpg",
  "ines_lounge/", "ines_lounge",  "ins_act.jpg",
  "multimedia/", "multimedia",  "mult_act.jpg"  ];

AH_WhatisIDArr = [ 
  "jp/whatis_muj/ines-message/", "ines-message", "ines-message-on.gif", 
  "jp/whatis_muj/history/", "hist", "history_on.gif", 
  "jp/whatis_muj/official_partners/", "partners", "partners_on.gif" ];




AH_thisPageID = new Object();
function scanPageForIDs( arr ) {
  for (var i=0; i<arr.length; i+=3) {
    var re = new RegExp( arr[i] );
    AH_thisPageID[ arr[i+1] ] = re.test( location.href );
  }
}

scanPageForIDs( AH_TopIDArr );
scanPageForIDs( AH_WhatisIDArr );