function displayAuthors(authorlist) { // displays authors on search results page
    return authorlist.replace(/;/g, ", ");
}

function displaySecondAuthors(authorlist) { // displays authors on search results page
var splitAuthors = authorlist.split(";");
var authorDisplay = "";
if (splitAuthors.length >= 2) { // display as et al
   authorDisplay = "eds. " + authorlist.replace(/(.*)(;)/, "$1 & ")
   authorDisplay = authorDisplay.replace(/;/g, ",");
}
else {
  authorDisplay = "ed. " + authorlist;
}
return authorDisplay;
}


function setSearch(term) {
  if (term != "" && term != "New%20search") {
      var cookieExpires = new Date();
      var tmpCookie = "";
      if ( getCookie("Username") != null) {
       tmpCookie = getCookie("Username");
       }
      var pass=true;
      var tmpCookiesplit = tmpCookie.split(';');
      for (var k=0; k<tmpCookiesplit.length-1; k++) {
        if (tmpCookiesplit[k]==term) {
           pass=false;
           break;
        }
      } 
      if (pass) {        
      if (tmpCookiesplit.length-1 > 9 ) {  // remove an entry from the cookie
        var tmpCookieSwitch = "";
        for (var j=0; j<9; j++) {
          tmpCookieSwitch += tmpCookiesplit[j] + ";"
        }
        tmpCookie = tmpCookieSwitch;
       }      

      tmpCookie = term + ";" + tmpCookie;
      cookieExpires.setTime(cookieExpires.getTime() + (24 * 60 * 60 * 1000 * 365 * 10));
      setCookie('Username', tmpCookie, cookieExpires, '/');
      }
  }

}

function replaceFootnotes() {
  var edDeskBodyTag = document.getElementById("edDeskBody");
  if ( edDeskBodyTag != null )
  {
    var myRegExp = /\<sup\>(\d+)\<\/sup\>/ig
    myRegExp.multiline = true;
    var thisLocHref = document.location.href; 
    edDeskBodyTag.innerHTML = edDeskBodyTag.innerHTML.replace(myRegExp, "<span><sup><a href=\"" + thisLocHref + "#bmk_fnote$1\" style=\"cursor: hand;\" onMouseOver=\"showNote(\'fnote$1\',this.offsetTop,this.offsetLeft);\" onMouseOut=\"hideNote(\'fnote$1\');\">$1</a></sup></span>");
  }
}

function showNote(layer,height,left) {
    document.getElementById(layer).style.visibility = "visible";
    if (navigator.userAgent.toLowerCase().indexOf('msie') != -1 ) {  // offset for IE
       document.getElementById(layer).style.top = height + 165;
    }
    else {
     document.getElementById(layer).style.top = height + 25;
    }

    if (left > 400) {
     document.getElementById(layer).style.left = left - 400;
    }
    else {
     document.getElementById(layer).style.left = left + 15;
    }
}

function hideNote(layer) {
    document.getElementById(layer).style.visibility = "hidden";
}

function splitSearchTerm(term) {
  var regExp2  = /[()\[\]"=<>!]/ig;    
  if (!regExp2.test(term)) {
  var termSplit = term.split(/\s/);

  // don't return synonyms for 
  termReg = /(\bnot\b)|(\bthe\b)|(\band\b)/ig;

  for (var k=0; k<termSplit.length; k++) {
    if (termSplit[k].length>2 && !termReg.test(termSplit[k]) && termSplit[k].toLowerCase()!="not" && termSplit[k].toLowerCase()!="and" && termSplit[k].toLowerCase()!="or") {
      highlightSearch(termSplit[k]);
    }
  }
 }
}

// highlight search term
function highlightSearch(term)
{
   // Find edDesk article body
   if (args['label']== 'results') {
    var edDeskBodyTag = document.getElementById("resultstable");
   }
   else {
    var edDeskBodyTag = document.getElementById("edDeskBody");
   } 
  //var highlightCode = "<span style='background-color: yellow'>" + term + "</span>";
  var highlightCode = "<b>" + term + "</b>";

  // Make sure the article tag was found
  if ( edDeskBodyTag != null )
  {
  // Create Regular Expression object
    if (term.indexOf('*')!=-1) { // check if asterisk used
   // str = "([^=)(\\b" + term.replace(/\*/ig, '') + "s?)";
    str = "([^=<\/.+])(\\b)(" + term.replace(/\*/ig, '') + "s?)(\\b)([^=>\/.+])";
    }
    else {
   // str = "([^=\/\.])(\\b" + term + "s?\\b)([^=\/\.])";
    str = "([^=<\/.+])(\\b)(" + term + "s?)(\\b)([^=>\/.+])";
    }
    var myRegExp = new RegExp(str, "ig");
    myRegExp.multiline = true;
    //edDeskBodyTag.innerHTML = edDeskBodyTag.innerHTML.replace(myRegExp, "$1<b>$2</b>");    
    edDeskBodyTag.innerHTML = edDeskBodyTag.innerHTML.replace(myRegExp, "$1$2<b>$3</b>$4$5"); 
  }
}


function modifySearchTerm(str) {

var thisterm = str;

var regExp2  = /[()\[\]"=<>!,]|(\band\b)|(\bfield\b)|(\bor\b)|(\band not\b)|(\bor not\b)|(\bcontains\b)/ig;
if (regExp2.test(thisterm)) { // advanced phrase searching
 thisterm = thisterm.replace(/\s/g,'+'); 
 thisterm = thisterm.replace(/"/g,''); 
}
else { // implied AND search
 thisterm = thisterm.replace(/\s/g,'+AND+'); 
}

return thisterm;

}

function advFormatTerm(b,f) { // formats the search term for advanced search
  var a = new Array();
  for (var i=0; i<b.length;i++) {
  if (b[i].selected == true && b.value != "") {
    a.push("(" + b[i].value.replace(/\s/,'+') + ")");
   }
 }
  var c='';
  var trm='';
  if (a.length!=0) {
   for (var z=0; z < a.length; z++) {
    if (z!=0) c += "+or+";
     c += a[z];
    }
   trm = "([" + f + "]+contains+(" + c + "))";
  }
  return trm;  
}

function populateJSForm() {  // populates form fields for Just Search

   document.forms['JustSearch'].QueryText1.value = args['query'];  
   if (args['s'].indexOf('F')==-1) document.forms['JustSearch'].SearchType[0].checked = false;
   if (args['s'].indexOf('R')==-1) document.forms['JustSearch'].SearchType[1].checked = false;
   if (args['s'].indexOf('C')==-1) document.forms['JustSearch'].SearchType[2].checked = false;
   if (args['s'].indexOf('O')==-1) document.forms['JustSearch'].SearchType[3].checked = false;
   if (args['fd']!="") document.forms['JustSearch'].FromDate.value = args['fd'];
   if (args['td']!="") document.forms['JustSearch'].ToDate.value = args['td'];
   if (args['wv']=="false") {
    document.forms['JustSearch'].stem.checked = args['wv'] = false;
    }
}

function highlightGroup(term)
{
   var edDeskBodyTag = document.getElementById("JSTax");
  // Make sure the article tag was found
  if ( JSTax != null )
  {
    var thisGroup = args['tx'];
    // Create Regular Expression object
    str = "([^=])(\\b" + thisGroup + "s?\\b)";
    var myRegExp = new RegExp(str, "ig");
    myRegExp.multiline = true;
    edDeskBodyTag.innerHTML = edDeskBodyTag.innerHTML.replace(myRegExp, "$1<div class=taxon>$2</div>");
  }

}

function pageResults(numEls,s,n) { // writes out page numbers

document.write('<div align="right"><b>',n,' results:</b> ');

  var strt = Number(args['start']);

  var nextPageURL = document.location.href; 
  var Prev = "&start=" + (strt-10);
  var Next = "&start=" + (strt+10);
  var ListAll = "&start=1&count=1000";
  var collection = "&s=" + s;
  var PrevLink = nextPageURL.replace(/&start=\d+/i,Prev);
  var NextLink = nextPageURL.replace(/&start=\d+/i,Next);
  var ListAllLink = nextPageURL.replace(/&start=\d+&count=\d+/i,ListAll);

  if (strt>1) { document.write('<a href="',PrevLink.replace(/&s=[FRCO]{1,4}/i,collection),'">Previous</a> | ');};
  var i=1;
  do {
    if (i!=1) {document.write(' | ')};

   // if (i==args['start']) {
   //  document.write('<b>',(i+9)/10,'</b>');

     var nextPageNum = "&start=" + i;
     var nextPageLink = nextPageURL.replace(/&start=\d+/i,nextPageNum);
     if (i==91) {
        document.write('<a href="',nextPageLink.replace(/&s=[FRCO]{1,4}/i,collection),'">');
        document.write('10+</a>');
        i=numEls; // break 
       } 
     else {
       if (i==args['start']) {
        document.write('<b>',(i+9)/10,'</b>');
       }
       else {
        document.write('<a href="',nextPageLink.replace(/&s=[FRCO]{1,4}/i,collection),'">');
        document.write((i+9)/10,'</a>');}
       }  
     i=i+10; 
  }
 while(i<numEls); // stop after 11 pages
 if ((strt+10)<numEls) {document.write(' | <a href="',NextLink.replace(/&s=[FRCO]{1,4}/i,collection),'">Next</a>');};
 document.write(' | <a href="',ListAllLink.replace(/&s=[FRCO]{1,4}/i,collection),'">List all</a>');
 document.write('</div><br>');
}

function resortArray(order,s) {

var blankArray = new Array();
blankArray[0]= "";

 if (s=='F') { // Foundation Research
   switch(order)
   {
      case '1':    
      break;
      case '2':
        searchResultsF.sort(compareIssue);
      break;
      case '3': 
        searchResultsF.sort(compareTreePath);        
      break
      default:     
      break;
   }
 }
else if (s=='R') { // Related Literature
   switch(order)
   {
      case '1':    
      break;
      case '2':
        searchProductResultsR.sort(compareIssue);
      break;
      case '3': 
        searchProductResultsR.sort(compareTitle);
      break
      default:     
      break;
   }
}
else if (s=='C') { // Related Literature
   switch(order)
   {
      case '1':    
      break;
      case '2':
        searchProductResultsC.sort(compareIssue);
      break;
      case '3': 
        searchProductResultsC.sort(compareTitle);
      break
      default:     
      break;
   }
}
else if (s=='O') { // Organisations
   switch(order)
   {
      case '1':    
      break;
      case '2':
      break;
      case '3': 
        searchResultsO.sort(compareTitle);
      break
      default:     
      break;
   }
}

}

// sorting functions for Arrays
function compareIssue(aValue1, aValue2) {
  if (typeof(aValue1)== 'undefined') {
    return 1
  }
  if (typeof(aValue2)== 'undefined') {
    return -1
  }
  if(unescape(aValue1.viewIssue) < unescape(aValue2.viewIssue)) {
    return 1;
  }
  if(unescape(aValue1.viewIssue) > unescape(aValue2.viewIssue)) {
    return -1;
  }
    return 0;
}

// sorting functions for Arrays
function compareIssue_revised(aValue1, aValue2) {
  if (typeof(aValue1)== 'undefined') {
    return 1
  }
  if (typeof(aValue2)== 'undefined') {
    return -1
  }
  var a1 = getFront(unescape(aValue1.viewIssue),">");
  var a2 = getFront(unescape(aValue2.viewIssue),">");

  if(a1 < a2) {
    return 1;
  }
  if(a1 > a2) {
    return -1;
  }
    return 0;
}

function compareTreePath(aValue1, aValue2) {
  if (typeof(aValue1)== 'undefined') {
    return -1
  }
  if (typeof(aValue2)== 'undefined') {
    return 1
  }
  if(unescape(aValue1.viewTreePath) < unescape(aValue2.viewTreePath)) {
    return -1;
  }
  if(unescape(aValue1.viewTreePath) > unescape(aValue2.viewTreePath)) {
    return 1;
  }
    return 0;
}

function compareTitle(aValue1, aValue2) {
  if (typeof(aValue1)== 'undefined') {
    return 1
  }
  if (typeof(aValue2)== 'undefined') {
    return -1
  }
  if(unescape(aValue1.viewTitle) < unescape(aValue2.viewTitle)) {
    return -1;
  }
  if(unescape(aValue1.viewTitle) > unescape(aValue2.viewTitle)) {
    return 1;
  }
    return 0;
}

function compareHeadline(aValue1, aValue2) {
  if (typeof(aValue1)== 'undefined') {
    return 1
  }
  if (typeof(aValue2)== 'undefined') {
    return -1
  }
  if(unescape(aValue1.viewHeadline) < unescape(aValue2.viewHeadline)) {
    return -1;
  }
  if(unescape(aValue1.viewHeadline) > unescape(aValue2.viewHeadline)) {
    return 1;
  }
    return 0;
}

function proximitySearch(z,term) { 
try {
  var tmpArticle = eval("articleResultF" + j);
  var doesExist = true;
}
catch(error) {
  var doesExist = false; 
}

if (doesExist) {
  var tmpArticleBody = eval ("articleResultF" + z + ".Body");
  var thisBody = unescape(tmpArticleBody);
  var intIndex = thisBody.toLowerCase().indexOf(term);

  // is the search word found in body? yes write out text surrounding
 if (thisBody.indexOf(term)!=-1 && args['type']=="JS") {
   // if start or end is too close
   if ((intIndex < 150) || (thisBody.length - intIndex < 150)) {
     if (intIndex < 150 ) { // close to start
      var intStart = 0;
      var intStartWB = 0;
      var intEnd = intStart + 300;
      var intEndWB = thisBody.substring(0,intEnd).lastIndexOf(' ');
     }
     else { // close to end
      var intEndWB = thisBody.length;
      var intStart = intEndWB - 300;
      var intStartWB = thisBody.indexOf(' ',intStart);
    }
  }
  else {
   var intStart = intIndex-150;
   var intStartWB = thisBody.indexOf(' ',intStart);
   var intEnd = intStart + 300;
   var intEndWB = thisBody.substring(0,intEnd).lastIndexOf(' ');
  }
  var regTags = /(<br>)+|(<br \/>)+|(<\/?p>)+|(<table>)|(<\/?tr>)|(<\/?td>)|(<\/?ul>)|(<\/?li>)|(<\/?ol>)|(<\/?h1>)|(<\/?h2>)|(<\/?h3>)|(\n)/ig;
  document.write('<br>...',thisBody.substring(intStartWB,intEndWB).replace(regTags,' '),'...');
  }
 else { 
   document.write('<br>',unescape(searchResultsF[j].viewSummary));
 }
}
else { 
  document.write('<br>',unescape(searchResultsF[j].viewSummary));
}

}

function nav_mouseOver(navItem, className){
 document.getElementById(navItem).className = className
}
function nav_mouseOut(navItem, className){
 document.getElementById(navItem).className = className

}

function trim(aStr) 
{return aStr.replace(/^\s{1,}/, "").replace(/\s{1,}$/, "")}

function changeVisibility(layer) {
    document.getElementById(layer).style.visibility = "visible";
    document.getElementById(layer).style.height = "100px";
}
function changeHidden(layer) {
    document.getElementById(layer).style.visibility = "hidden";
    document.getElementById(layer).style.height = "0px";
}

function resizeText (textsize){

 var cookievalue="";
 if(textsize=="normal") {
  document.styleSheets[1].disabled=true;
  document.styleSheets[2].disabled=false;
  document.getElementById("fontchange").innerHTML = '<a onclick="resizeText(\'large\')"><img src="templates/global/$file/LJF_glbTools_flarge.gif" border="0" align="absmiddle" alt="*" />Large font</a>';
  cookievalue="normal"; 
 }
 else if (textsize="large") {
  document.styleSheets[1].disabled=false;
  document.styleSheets[2].disabled=true;
  document.getElementById("fontchange").innerHTML = '<a onclick="resizeText(\'normal\')"><img src="templates/global/$file/LJF_glbTools_fsmall.gif" border="0" align="absmiddle" alt="*" />Normal font</a>';
  cookievalue="large";
 } 
 else {}

var cookieExpires = new Date();
cookieExpires.setTime(cookieExpires.getTime() + (24 * 60 * 60 * 1000 * 365 * 10));

setCookie('LJF_font', cookievalue, cookieExpires, '/');

}