jQuery.fn.highlight = function(pat,idP) {

 function innerHighlight(node, pat, ip) {
  var skip = 0;
  if (node.nodeType == 3) {
  	
   var pos = node.data.toUpperCase().indexOf(pat);
   if (pos >= 0) {
    var spannode = document.createElement('a');
    spannode.className = 'thickbox';
    spannode.href = ip;
    var middlebit = node.splitText(pos);
    var endbit = middlebit.splitText(pat.length);
    var middleclone = middlebit.cloneNode(true);
    spannode.appendChild(middleclone);
    middlebit.parentNode.replaceChild(spannode, middlebit);
    skip = 1;
   }

  } else if (node.nodeType == 1 && node.childNodes && !/(script|style)/i.test(node.tagName)) {
   for (var i = 0; i < node.childNodes.length; ++i) {
    i += innerHighlight(node.childNodes[i], pat, ip);
   }
  }
  
  return skip;
 }
 
 return this.each(function() {
  innerHighlight(this, pat.toUpperCase(), idP);
 });

};