/* http://www.kryogenix.org - Source Code Original Source */
function highlightWord(node,word,ilevel)
{
	// Iterate into this nodes childNodes
	if ((node.hasChildNodes) && (ilevel < 3000)) {
		var hi_cn;
		for (hi_cn=0;hi_cn<node.childNodes.length;hi_cn++) {
			highlightWord(node.childNodes[hi_cn],word,ilevel++);
		}
	}
	
	// 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 != "keyword") {
				// 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 = "keyword";
				hiword.appendChild(hiwordtext);
				pn.insertBefore(before,node);
				pn.insertBefore(hiword,node);
				pn.insertBefore(after,node);
				pn.removeChild(node);
			}
		}
	}
}

function strSchFlag()
{
	if (!document.createElement) return;
	ref = document.URL;
	if (ref.indexOf('?') == -1) return;
	qs = ref.substr(ref.indexOf('?')+1);
	qsa = qs.split('&');
	for (i=0;i<qsa.length;i++)
	{
		qsip = qsa[i].split('=');
	    if (qsip.length == 1) continue;
      	if ((qsip[0] == 'SCH') && (qsip[1] != ''))
		{ 
			highlightWord(document.getElementById('documentcontent'),qsip[1],1);
	    }
	}
}