var SearchTerm;
/*
 * This is the function that actually highlights a text string by
 * adding HTML tags before and after all occurrences of the search
 * term. You can pass your own tags if you'd like, or if the
 * highlightStartTag or highlightEndTag parameters are omitted or
 * are empty strings then the default <font> tags will be used.
 */
function doHighlight(bodyText, searchTerm) 
{
  highlightStartTag = "<font style='color:black; background-color:#CCFFCC;'>";
  highlightEndTag = "</font>";
  bodyText = bodyText.replace('&amp;', '&');
  
  // 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;
		}
	}
	}
	}
	return newText;
	}
	
	/* * This is sort of a wrapper function to the doHighlight function. * 
	It takes the searchText that you pass, optionally splits it into * separate words, 
	and transforms the text on the current web page. * Only the "searchText" parameter is 
	required; all other parameters * are optional and can be omitted. */
	
	function highlightSearchTerms(Datagrid)
	{
		var bodyText;
		
		DatagridElement = document.getElementById(Datagrid);
		if(DatagridElement)
		{
			for(var j = 1; j < DatagridElement.rows.length-1; j++)
			{
				searchArray = SearchTerm.split(" ");

				if(Datagrid == 'SearchResultsDataGrid')
					bodyText = DatagridElement.rows[j].cells[2].innerHTML;
				else
					bodyText = DatagridElement.rows[j].cells[1].innerHTML;
				
				for (var i = 0; i < searchArray.length; i++)
				{
					bodyText = doHighlight(bodyText, searchArray[i]);
				}
				
				if(Datagrid == 'SearchResultsDataGrid')
					DatagridElement.rows[j].cells[2].innerHTML = bodyText;
				else
					DatagridElement.rows[j].cells[1].innerHTML = bodyText;				
			}
		}		
	}