Hilite = {
    elementid: 'content-text',
    exact: false,
    max_nodes: 1000,
    onload: false,
    style_name: 'hilite',
    style_name_suffix: true,
    debug_referrer: '',
    hl_count:0,
    phrases:'',
    phrasegroup:''
};

Hilite.search_engines = [
    ['^http://(www)?\\.?google.*', 'q='],              // Google
    ['^http://search\\.yahoo.*', 'p='],                // Yahoo
    ['^http://search\\.msn.*', 'q='],                  // MSN
    ['^http://search\\.aol.*', 'userQuery='],          // AOL
    ['^http://(www\\.)?altavista.*', 'q='],            // AltaVista
    ['^http://(www\\.)?feedster.*', 'q='],             // Feedster
    ['^http://search\\.lycos.*', 'query='],            // Lycos
    ['^http://(www\\.)?alltheweb.*', 'q='],             // AllTheWeb
    ['^http://localhost/search.aspx','q='] ,
    ['^http://www.mgtsolution.com/search.aspx','q='], 
    ['^http://net.mgtsolution.com/search.aspx','q='] 
];

Hilite.decodeReferrer = function(referrer) {
    var query = null;
    var match = new RegExp('');
    for (var i = 0; i < Hilite.search_engines.length; i ++) {
        match.compile(Hilite.search_engines[i][0], 'i');
        if (referrer.match(match)) {
            match.compile('^.*'+Hilite.search_engines[i][1]+'([^&]+)&?.*$');
            query = referrer.replace(match, '$1');
            if (query) {
                query = decodeURIComponent(query);
                query = query.replace(/\'|"/, '');
                query = query.split(/[\s,\+\.]+/);
                return query;
            }
        }
    }
    return null;
};

Hilite.extractQuery = function(referrer) {
    var query = null;
    var match = new RegExp('');
    for (var i = 0; i < Hilite.search_engines.length; i ++) {
        match.compile(Hilite.search_engines[i][0], 'i');
        if (referrer.match(match)) {
            match.compile('^.*'+Hilite.search_engines[i][1]+'([^&]+)&?.*$');
            query = referrer.replace(match, '$1');
            if (query) {
                query = decodeURIComponent(query);
                return query;
            }
        }
    }
    return '';
};

Hilite.hiliteElement = function(elm, query,pgroup) {
    if (!query || elm.childNodes.length == 0)
	return;

    var qre = new Array();
    for (var i = 0; i < query.length; i ++) {
        query[i] = query[i].toLowerCase();
        if (Hilite.exact)
            qre.push('\\b'+query[i]+'\\b');
        else
            qre.push(query[i]);
    }

    qre = new RegExp(qre.join("|"), "i");
    var stylemapper = {};
    for (var i = 0; i < query.length; i ++)
        stylemapper[query[i]] = Hilite.style_name+pgroup[i];

    var textproc = function(node) {
        var match = qre.exec(node.data);
        if (match) {
            var val = match[0];
            var k = '';
            var node2 = node.splitText(match.index);
            var node3 = node2.splitText(val.length);
            var span = node.ownerDocument.createElement('SPAN');
            node.parentNode.replaceChild(span, node2);
            span.className = stylemapper[val.toLowerCase()];
            span.appendChild(node2);
            span.id='hl'+ Hilite.hl_count.toString();
            Hilite.hl_count+=1;
            return span;
        } else {
            return node;
        }
    };
    Hilite.walkElements(elm.childNodes[0], 1, textproc);
};

Hilite.hilite = function(phrases,phrasegroup) {
    Hilite.hl_count=0;
    var q = Hilite.debug_referrer ? Hilite.debug_referrer : document.referrer;
    var e = null;
			
    q=phrases.split(/[\s,\+\.]+/);
    g=phrasegroup.split(/[\s,\+\.]+/);
    if (q && ((Hilite.elementid && 
               (e = document.getElementById(Hilite.elementid))) || 
              (e = document.body)))
    {
	Hilite.hiliteElement(e, q,g);
	
    }
	document.getElementById('btnUnHighLight').style.display='block';
	document.getElementById('btnHighLight').style.display='none';

};

Hilite.Unhilite = function() {
	for (var i = 0; i < Hilite.hl_count; i ++)
		document.getElementById('hl'+i.toString()).outerHTML=document.getElementById('hl'+i.toString()).innerText;
	document.getElementById('btnUnHighLight').style.display='none';
	document.getElementById('btnHighLight').style.display='block';
	Hilite.hl_count=-1;
};
Hilite.walkElements = function(node, depth, textproc) {
    var skipre = /^(script|style|textarea)/i;
    var count = 0;
    while (node && depth > 0) {
        count ++;
        if (count >= Hilite.max_nodes) {
            var handler = function() {
                Hilite.walkElements(node, depth, textproc);
            };
            setTimeout(handler, 50);
            return;
        }

        if (node.nodeType == 1) { // ELEMENT_NODE
            if (!skipre.test(node.tagName) && node.childNodes.length > 0) {
                node = node.childNodes[0];
                depth ++;
                continue;
            }
        } else if (node.nodeType == 3) { // TEXT_NODE
            node = textproc(node);
        }

        if (node.nextSibling) {
            node = node.nextSibling;
        } else {
            while (depth > 0) {
                node = node.parentNode;
                depth --;
                if (node.nextSibling) {
                    node = node.nextSibling;
                    break;
                }
            }
        }
    }
};

if (Hilite.onload) {
    if (window.attachEvent) {
        window.attachEvent('onload', Hilite.hilite);
    } else if (window.addEventListener) {
        window.addEventListener('load', Hilite.hilite, false);
    } else {
        var __onload = window.onload;
        window.onload = function() {
            Hilite.hilite();
            __onload();
        };
    }
}