// focus used by all popups
function openFocus() {
    window.focus();
}

// handle contitional link on popus opened by outside sites
// variable used in all popups
var openedByOutside = false; // openedByOutside really means opened without JS call
if (opener == null) { // there's only an opener if there's a new window created by JS
    this.openedByOutside = true;
//} else if (!opener.openedByOutside) { // opened by outside js-- not necessary, ruins footnote
    // alert("not opened by 1704");
//    this.openedByOutside = true;
}
 
var switcher = "js switcher hasn't been set";
// hide switcher from non-js browser
function setSwitcher() {
    // alert(" got to switcher, maybe set var, then write");
    this.switcher = '<ul>' +
        '<li><a href="javascript:window.print()"><img src="/mgg/common/images/icon_print.gif" alt="print" width="53" height="20" border="0" align="middle"></a></li>' +
        '<li class="label">Text size: </li> ' +	
        '<li id="style-left"><a href="styleswitch.html" onclick="activeCSS(\'smalltext\'); return false">A</a></li>' +
        '<li id="style-mid"><a href="styleswitch.html" onclick="activeCSS(\'default\'); return false">A</a></li>' +
        '<li id="style-right"><a href="styleswitch.html" onclick="activeCSS(\'largetext\'); return false">A</a></li>' +
        '</ul>';
}

// --------------- GLOSSARY  ----------------
// for each site change the hard wired site paramter  e.g. mgg
// this file is site-specific i.e. /mgg/common/scripts.js
function glossary(shortName) {
    var theURL = "/shaysapp/glossary.do?shortName=" + shortName;
    window.open(theURL,'glossary','scrollbars=yes,resizable=yes,width=350,height=350')
}

// --------------- ARTIFACT  ----------------
function artifact(shortName) {
    var theURL = "/shaysapp/artifact.do?shortName=" + shortName;
    window.open(theURL,'artifact','scrollbars=yes,resizable=yes,width=750,height=550,location=yes')
}

// --------------- PRINTABLE (HTML) SCENE   ----------------
function scenehtml(shortName) {
    var theURL = "/shaysapp/scenehtml.do?shortName=" + shortName ;
    window.open(theURL,'scenehtml','scrollbars=yes,resizable=yes,width=650,height=550')
}

// --------------- SCENE LARGE VIEW   ----------------
function sceneLarge(shortName) {
    var theURL = "/scenes/lg_view/" + shortName + ".html" ;
    window.open(theURL,'sceneLarge','scrollbars=yes,resizable=yes,width=1000,height=750')
}
// --------------- PERSON  ----------------
function person(shortName) {
    var theURL = "/shaysapp/person.do?shortName=" + shortName;
    window.open(theURL,'person','scrollbars=yes,resizable=yes,width=650,height=550')
}

function no_observer() {
    var theURL = "/scenes/no_observer.html";
    window.open(theURL,'person','scrollbars=yes,resizable=yes,width=650,height=550')
}

// --------------- ESSAY  ----------------
function essay(shortName) {
    var theURL = "/shaysapp/essay.do?shortName=" + shortName;
    window.open(theURL,'essay','scrollbars=yes,resizable=yes,width=650,height=550')
}

// --------------- MAPS   ----------------
function map(shortName) {
    var theURL = "/shaysapp/map.do?shortName=" + shortName ;
    window.open(theURL,'map','scrollbars=yes,resizable=yes,width=770,height=650')
}

// --------------- MUSIC   ----------------
function music(shortName) {
    var theURL = "/shaysapp/music.do?shortName=" + shortName ;
    window.open(theURL,'music','scrollbars=yes,resizable=yes,width=770,height=650')
}

// --------------- FOOTNOTES   ----------------
function footnote(shortName, anchor) {
    var theURL = "/shaysapp/footnote.do?shortName=" + shortName + "#" + anchor;
    window.open(theURL,'footnote','scrollbars=yes,resizable=yes,width=500,height=550')
}

// --------------- INVESTIGATE FURTHER  ----------------
function further(level, id) {
    var theURL = "/stories/mgg/" + level + "/further.do?id=" + id ;
    window.open(theURL,'further','scrollbars=yes,resizable=yes,width=600,height=500')
}



// --------------- CSS FUNCTIONS ----------------
// css styleswitcher for user-controlled text sizing
// activeCSS: Set the active stylesheet
function activeCSS(title) {
  var i, oneLink;
  for (i = 0; (oneLink = document.getElementsByTagName("link")[i]); i++) {
    if (oneLink.getAttribute("title") && findWord("stylesheet", oneLink.getAttribute("rel"))) {
      oneLink.disabled = true;
      if (oneLink.getAttribute("title") == title) {
        oneLink.disabled = false;
      }
    }
  }
}

// findWord: Used to find a full word (needle) in a string (haystack)
function findWord(needle, haystack) {
  return haystack.match(needle + "\\b");
}

// Set the cookie 
function setCookie(name,value,days) {
 if (days) {
   var date = new Date();
   date.setTime(date.getTime()+(days*24*60*60*1000));
   var expires = ";expires="+date.toGMTString();
 } else {
   expires = "";
 }
 document.cookie = name+"="+value+expires+";";
}

// Set the active stylesheet
function activeCSS(title) {
  var i, oneLink;
  for (i = 0; (oneLink = document.getElementsByTagName("link")[i]); i++) {
    if (oneLink.getAttribute("title") && findWord("stylesheet", oneLink.getAttribute("rel"))) {
 oneLink.disabled = true;
      if (oneLink.getAttribute("title") == title) {
         oneLink.disabled = false;
      }
    }
 }
 setCookie("mystyle", title, 365);
}
window.onload = initCSS;

// initCSS: If there's a "mystyle" cookie, set the active stylesheet when the page loads
function initCSS() {
 var style = readCookie("mystyle");
 if (style) {
   activeCSS(style);
 }
}

// Read the cookie
function readCookie(name) {
 var needle = name + "=";
 var cookieArray = document.cookie.split(';');
 for(var i=0;i < cookieArray.length;i++) {
   var pair = cookieArray[i];
   while (pair.charAt(0)==' ') {
     pair = pair.substring(1, pair.length);
   }
   if (pair.indexOf(needle) == 0) {
     return pair.substring(needle.length, pair.length);
   }
 }
 return null;
}
// end of style switcher code


// --------------- TEMPORARY FUNCTIONS ----------------
// temp - for models only

function popupGlossary(theURL) {
window.open(theURL,'popup','scrollbars=yes,resizable=yes,width=350,height=350')
}
function popupResource(theURL) {
window.open(theURL,'popup','scrollbars=yes,resizable=yes,width=500,height=550')
}
function popupOutside(theURL) {
window.open(theURL,'popup','scrollbars=yes,resizable=yes,location=yes,status=yes,menubar=yes')
}
function popupWindow(theURL, windowName) {
    if (windowName == undefined) {
        windowName = "popup";
    }
    window.open(theURL,windowName,'scrollbars=yes,resizable=yes,width=550,height=450')
}
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_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];}
}