function highlightWord(node,word)
{
	// Iterate into this nodes childNodes
	if (node.hasChildNodes)
	{
		var hi_cn;
		for (hi_cn=0;hi_cn<node.childNodes.length;hi_cn++)
		{
			highlightWord(node.childNodes[hi_cn],word);
		}
	}

	// And do this node itself
	if (node.nodeType == 3)
	{ // text node
		tempNodeVal = node.nodeValue.toLowerCase();
		tempWordVal = word.toLowerCase();
		if (tempNodeVal.indexOf(tempWordVal) != -1)
		{
			pn = node.parentNode;
			if (pn.className != "mnmHighlight")
			{
				// word has not already been highlighted!
				nv = node.nodeValue;
				ni = tempNodeVal.indexOf(tempWordVal);
				// Create a load of replacement nodes
				before = document.createTextNode(nv.substr(0,ni));
				docWordVal = nv.substr(ni,word.length);
				after = document.createTextNode(nv.substr(ni+word.length));
				hiwordtext = document.createTextNode(docWordVal);
				hiword = document.createElement("span");
				hiword.className = "mnmHighlight";
				hiword.appendChild(hiwordtext);
				pn.insertBefore(before,node);
				pn.insertBefore(hiword,node);
				pn.insertBefore(after,node);
				pn.removeChild(node);
			}
		}
	}
}

function searchHighlight()
{
	if (!document.createElement)
		return;

	if(queryString.length > 2)
		highlightWord(document.getElementsByTagName("body")[0], queryString);
//	qsip = queryString.split(' ');
//	for(i = 0; i < qsip.length; i++)
//	{
//		highlightWord(document.getElementsByTagName("body")[0],qsip[i]);
//	}
}