function doHighlight(bodyText, searchTerm, divId) 
{
  // the highlightStartTag and highlightEndTag parameters are optional
  highlightStartTag = "<span class='highlight'>";
	highlightEndTag = "</span>";
  
  // find all occurences of the search term in the given text,
  // and add some "highlight" tags to them (we're not using a
  // regular expression search, because we want to filter out
  // matches that occur within HTML tags and script blocks, so
  // we have to do a little extra validation)
  var newText = "";
  var i = -1;
  var lcSearchTerm = searchTerm.toLowerCase();
  var lcBodyText = bodyText.toLowerCase();
    
  while (bodyText.length > 0) {
    i = lcBodyText.indexOf(lcSearchTerm, i+1);
    if (i < 0) {
      newText += bodyText;
      bodyText = "";
    } else {
      // skip anything inside an HTML tag
      if (bodyText.lastIndexOf(">", i) >= bodyText.lastIndexOf("<", i)) {
        // skip anything inside a <script> block
        if (lcBodyText.lastIndexOf("/script>", i) >= lcBodyText.lastIndexOf("<script", i)) {
          newText += bodyText.substring(0, i) + highlightStartTag + bodyText.substr(i, searchTerm.length) + highlightEndTag;
          bodyText = bodyText.substr(i + searchTerm.length);
          lcBodyText = bodyText.toLowerCase();
          i = -1;
        }
      }
    }
  }
	//alert(newText);
  return newText;
}


function highlightSearchTerms(searchText, divId, treatAsPhrase, warnOnFailure)
{
  // if the treatAsPhrase parameter is true, then we should search for 
  // the entire phrase that was entered; otherwise, we will split the
  // search string so that each word is searched for and highlighted
  // individually
  if (treatAsPhrase) 
	{
    searchArray = [searchText];
  } 
	else 
	{
    searchArray = searchText.split(" ");
  }
  
  if (!document.getElementById(divId) || typeof(document.getElementById(divId).innerHTML) == "undefined") 
	{
    if (warnOnFailure) 
		{
      alert("Sorry, for some reason the text of this page is unavailable. Searching will not work.");
    }
    return false;
  }
  
  var bodyText = document.getElementById(divId).innerHTML;
  for (var i = 0; i < searchArray.length; i++) 
	{
    bodyText = doHighlight(bodyText, searchArray[i], divId);
  }
	
  document.getElementById(divId).innerHTML = bodyText;
  return true;
}



function changeMatchesTabsClasses(menuItem, divID2hide, divID2show)
{
	var xx = document.getElementsByClassName("match_tab active");
	if(xx.length > 0)
	{
		xx[0].className = 'match_tab';
	}
	menuItem.className = 'match_tab active';
	document.getElementById(divID2hide).style.display = 'none'; 
	document.getElementById(divID2show).style.display = 'block'; 
}


function changeTabsClasses(menuItem, divID2show, divParent)
{
	
	parent = document.getElementById(divParent);
	
	var xx = parent.getElementsByClassName("switchbox");
	for (var i=0;i<xx.length;i++) 
	{
		xx[i].style.display = 'block';
	}
	/*
	var xx = parent.getElementsByClassName("switch_tab active");
	a = 0;
	for (var i=0;i<xx.length;i++) 
	{
		a = a+1;
		xx[i].className = 'switch_tab'; 
	}
	menuItem.className = 'switch_tab active';
	*/	
	var xx = parent.getElementsByClassName("switchbox");
	for (var i=0;i<xx.length;i++) 
	{
		xx[i].style.display = 'none';
	}
	
	document.getElementById(divID2show).style.display = 'block';
}