/* New: Variable searchhi_string to keep track of words being searched. */
var searchhi_string = '';
/* http://www.kryogenix.org/code/browser/searchhi/ */
/* Modified 20021006 to fix query string parsing and add case insensitivity */
function highlightWord(node,word) {
if (node.hasChildNodes) {
var hi_cn;
for (hi_cn=0;hi_cn<node.childNodes.length;hi_cn++) {
highlightWord(node.childNodes[hi_cn],word);
}
}
if (node.nodeType == 3) { // text node
tempNodeVal = node.nodeValue.toLowerCase();
tempWordVal = word.toLowerCase();
if (tempNodeVal.indexOf(tempWordVal) !=-1) {
pn = node.parentNode;
if (pn.className != "searchword") {
nv = node.nodeValue;
ni = tempNodeVal.indexOf(tempWordVal);
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 = "searchword";
hiword.appendChild(hiwordtext);
pn.insertBefore(before,node);
pn.insertBefore(hiword,node);
pn.insertBefore(after,node);
pn.removeChild(node);
}
}
}
}
function unhighlightWord(node,word) {
if (node.hasChildNodes) {
var hi_cn;
for (hi_cn=0;hi_cn<node.childNodes.length;hi_cn++) {
highlightWord(node.childNodes[hi_cn],word);
}
}
if (node.nodeType == 3) { // text node
tempNodeVal = node.nodeValue.toLowerCase();
tempWordVal = word.toLowerCase();
if (tempNodeVal.indexOf(tempWordVal) !=-1) {
pn = node.parentNode;
if (pn.className == "searchword") {
prevSib = pn.previousSibling;
nextSib = pn.nextSibling;
nextSib.nodeValue = prevSib.nodeValue+node.nodeValue+nextSib.nodeValue;
prevSib.nodeValue = '';
node.nodeValue = '';
}
}
}
}
function unhighlight(node) {
if (node.hasChildNodes) {
var hi_cn;
for (hi_cn=0;hi_cn<node.childNodes.length;hi_cn++) {
unhighlight(node.childNodes[hi_cn]);
}
}
if (node.nodeType == 3) { // text node
pn = node.parentNode;
if( pn.className == "searchword" ) {
prevSib = pn.previousSibling;
nextSib = pn.nextSibling;
nextSib.nodeValue = prevSib.nodeValue+node.nodeValue+nextSib.nodeValue;
prevSib.nodeValue = '';
node.nodeValue = '';
}
}
}
function googleSearchHighlight() {
if (!document.createElement) return;
ref = document.referrer;
ref = ref.replace(/\/search\/web\//,'?search&q='); // Most WebCrawler searches
if (ref.indexOf('?') ==-1) return;
qs = ref.substr(ref.indexOf('?')+1);
qsa = qs.split('#');
qs = qsa[0];
qs = qs.replace(/(^|&)p=Q&ts=e&/,'&'); // Most Eurekster searches
qs = qs.replace(/(^|&)query=/,'&q='); // Most Lycos searches
qs = qs.replace(/(^|&)key=/,'&q='); // Most Walhello searches
qs = qs.replace(/(^|&)keywords=/i,'&q='); // Most Overture searches
qs = qs.replace(/(^|&)searchfor=/,'&q='); // Most Mysearch.com searches
qs = qs.replace(/(^|&)qt=/,'&q='); // Most Acoona.com searches
qs = qs.replace(/(^|&)s=/,'&q='); // Most Technirati GET searches
qsa = qs.split('&');
for (i=0;i<qsa.length;i++) {
qsip = qsa[i].split('=');
if (qsip.length == 1) continue;
if (qsip[0] == 'q' || qsip[0] == 'p' || qsip[0] == 'w') { // q= for Google, p= for Yahoo, w= for Eurekster
qsip[1] = unescape(qsip[1]).replace(/^\s+|\s+$/g, "");
if( qsip[1] == '' ) continue;
phrases = qsip[1].replace(/\+/g,' ').split(/\"/);
for(p=0;p<phrases.length;p++) {
phrases[p] = unescape(phrases[p]).replace(/^\s+|\s+$/g, "");
if( phrases[p] == '' ) continue;
if( p % 2 == 0 ) words = phrases[p].replace(/([+,()]|%(29|28)|\W+(AND|OR)\W+)/g,' ').split(/\s+/);
else { words=Array(1); words[0] = phrases[p]; }
for (w=0;w<words.length;w++) {
if( words[w] == '' ) continue;
highlightWord(document.getElementById('MIMSContent'),words[w]);
if( p % 2 == 0 ) searchhi_string = searchhi_string+' '+words[w];
else searchhi_string = searchhi_string+' "'+words[w]+'"';
}
}
}
}
}
function localSearchHighlight(searchStr) {
if (!document.createElement) return;
if (searchStr.indexOf('&h=') ==-1) {
if (document.getElementById('HiddenHighlightString') != null) {
searchStr="?h="+document.getElementById('HiddenHighlightString').value;
}
}
if (searchStr == '') return;
if (searchStr.indexOf('?') ==-1) qs = searchStr.substr(0);
else qs = searchStr.substr(1);
qsa = qs.split('&');
for (i=0;i<qsa.length;i++) {
qsip = qsa[i].split('=');
if (qsip.length == 1) continue;
if (qsip[0] == 'h') { // don't make this q or p or will get ghost highlights
qsip[1] = unescape(qsip[1]).replace(/^\s+|\s+$/g, "");
if( qsip[1] == '' ) continue;
phrases = qsip[1].replace(/\+/g,' ').split(/,/);
for(p=0;p<phrases.length;p++) {
phrases[p] = unescape(phrases[p]).replace(/^\s+|\s+$/g, "");
if( phrases[p] == '' ) continue;
if( p % 2 == 0 ) words = phrases[p].replace(/([+,()]|%(29|28)|\W+(AND|OR)\W+)/g,' ').split(/\s+/);
else { words=Array(1); words[0] = phrases[p]; }
for (w=0;w<words.length;w++) {
if( words[w] == '' ) continue;
highlightWord(document.getElementById('MIMSContent'),words[w]);
if( p % 2 == 0 ) searchhi_string = searchhi_string+' '+words[w];
else searchhi_string = searchhi_string+' "'+words[w]+'"';
}
}
}
}
}
function SearchHighlight() {
googleSearchHighlight();
localSearchHighlight(location.search);
searchhi_string = searchhi_string.replace(/^\s+|\s+$/g, "");
if( location.hash.length > 1 ) location.hash = location.hash;
}
function SmartHighlight()
{
var today = new Date();
var now = today.getUTCSeconds();
var cookie = document.cookie;
var cookieArray = cookie.split('; ');
for (var loop=0; loop < cookieArray.length; loop++){
var nameValue = cookieArray[loop].split("=");
if (nameValue[0].toString() == 'SHTS'){
var cookieTime = parseInt( nameValue[1] );
}
else if (nameValue[0].toString() == 'SHTSP'){
var cookieName = nameValue[1];
}
}
if( cookieName &&
cookieTime &&
cookieName == escape(location.href) &&
Math.abs(now-cookieTime) < 5 )
{
searchhi_unl = 0;
}
else
{
SearchHighlight();
}
}
function SmartHLUnload()
{
if( searchhi_unl > 0 )
{
var today = new Date();
var now = today.getUTCSeconds();
document.cookie = 'SHTS='+now+';';
document.cookie = 'SHTSP='+escape(location.href)+';';
}
else
{
document.cookie = 'SHTS=;';
document.cookie = 'SHTSP=;';
}
}
function NotRefreshHL()
{
searchhi_unl = 0;
return true;
}
var searchhi_unl = 1;