/*
Text Link/Image Map Tooltip Script- 
© Dynamic Drive (www.dynamicdrive.com)
For full source code, and 100's more DHTML scripts
Visit http://www.dynamicdrive.com
*/

if (!document.layers&&!document.all&&!document.getElementById)
event="test"
function showtip(current,e,text){

if (document.all||document.getElementById){
thetitle=text.split('<br>')
if (thetitle.length>1){
thetitles=''
for (i=0;i<thetitle.length;i++)
thetitles+=thetitle[i]
current.title=thetitles
}
else
current.title=text
}

else if (document.layers){
document.tooltip.document.write('<layer bgColor="white" style="border:1px solid black;font-size:12px;">'+text+'</layer>')
document.tooltip.document.close()
document.tooltip.left=e.pageX+5
document.tooltip.top=e.pageY+5
document.tooltip.visibility="show"
}
}

function hidetip(){
if (document.layers)
document.tooltip.visibility="hidden"
}



/*
 * 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, highlightEndTag) 
{
  // the highlightStartTag and highlightEndTag parameters are optional
  if ((!highlightStartTag) || (!highlightEndTag)) {
	highlightStartTag = "<font style='color:#42563A;background-color:#BFE0B1;'>";
	highlightEndTag = "</font>";
  }
  
  // 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(searchText, treatAsPhrase, warnOnFailure, highlightStartTag, highlightEndTag)
{
  // 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(" ");
  }
  
  
  var bodyText = document.body.innerHTML;
  for (var i = 0; i < searchArray.length; i++) {
	bodyText = doHighlight(bodyText, searchArray[i], highlightStartTag, highlightEndTag);
  }
  
  document.body.innerHTML = bodyText;
  return true;
}