function fadeOut(id) {
   // default the speed of fade
   opacity(id, 100, 40, 50);
}

function fadeIn(id) {
   // default the speed of fade (fade in)
    opacity(id, 40, 100, 1000)
}


// Fade the images on mouse over / bring back on mouse out
function opacity(id, opacStart, opacEnd, millisec) {
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;

    //determine the direction for the blending, if start and end are the same nothing happens
    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
} 






/* http://www.kryogenix.org/code/browser/searchhi/ */
/* Modified 20021006 to fix query string parsing and add case insensitivity */
/* Modified 20070316 to stop highlighting inside nosearchhi nodes */
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;
            // check if we're inside a "nosearchhi" zone
            checkn = pn;
            while (checkn.nodeType != 9 && 
            checkn.nodeName.toLowerCase() != 'body') { 
            // 9 = top of doc
                if (checkn.className.match(/\bnosearchhi\b/)) { return; }
                checkn = checkn.parentNode;
            }
            if (pn.className != "searchword") {
                // 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 = "searchword";
                hiword.appendChild(hiwordtext);
                pn.insertBefore(before,node);
                pn.insertBefore(hiword,node);
                pn.insertBefore(after,node);
                pn.removeChild(node);
            }
        }
    }
}

function googleSearchHighlight() {
    if (!document.createElement) return;
    ref = document.referrer;
    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] == 'q' || qsip[0] == 'p') { // q= for Google, p= for Yahoo
            words = unescape(qsip[1].replace(/\+/g,' ')).split(/\s+/);
                    for (w=0;w<words.length;w++) {
//                        alert (words[w].substring(0,6));
                        if (words[w].substring(0,6)!='holida'&&words[w]!='in'&&words[w]!='the') {
                            highlightWord(document.getElementsByTagName("body")[0],words[w]);
                        }
                    }
            }
    }
}

window.onload = googleSearchHighlight;