function toggle(element) {
    if (document.getElementById(element).style.display == 'block') {
        document.getElementById(element).style.display = 'none';
    }
    else {
        document.getElementById(element).style.display = 'block';
    }
}

function highlightbg(element) {
    document.getElementById(element).src = document.getElementById(element).src.replace("127bg", "127hlbg");
}

function removehighlightbg(element) {
    document.getElementById(element).src = document.getElementById(element).src.replace("127hlbg", "127bg");
}


function highlight(element) {
    document.getElementById(element).src = document.getElementById(element).src.replace("127", "127hl");
}

function removehighlight(element) {
    document.getElementById(element).src = document.getElementById(element).src.replace("127hl", "127");
}


function hllib(element) {
    element.parentNode.className = element.parentNode.className + "hl";
}
function nohllib(element) {
    element.parentNode.className = element.parentNode.className.replace("hl", "");
}



var aSelected = new Array();
function deClick(element) {
    /*
    maintains an array of checked radio buttons
    and deselects an already selected radio button
    */

    objIn = document.getElementById(element);

    if ((typeof (objIn) == "object") && (aSelected[objIn.name] != 'undefined')) {
        if (aSelected[objIn.name] == objIn.value) {
            aSelected[objIn.name] = '';
            //objIn.checked = false;  
            //objIn.checked = false;
            __doPostBack(element.replace("_", "$"), element);
        }
        else aSelected[objIn.name] = objIn.value;
    }
}

function highlighthome(element) {
    element.src = element.src.replace(".png", "hl.png");
}
function removehighlighthome(element) {
    element.src = element.src.replace("hl.png", ".png");
}







var scrollInt;
var scrTime, scrSt, scrDist, scrDur, scrInt;




function replaceAnchorLinks() {
    var anchors, i, targ, targarr;

    if (!document.getElementById)
        return;

    // get all anchors
    anchors = document.getElementsByTagName("a");

    for (i = 0; i < anchors.length; i++) {

        // check if href links to an anchor on this page
        if (anchors[i].href.indexOf("#") != -1 && anchors[i].href.indexOf(document.URL) != -1) {
            // get name of target anchor
            targ = anchors[i].href.substring(anchors[i].href.indexOf("#") + 1);

            // find target anchor
            targarr = document.getElementsByName(targ);

            if (targarr.length) {
                anchors[i].className = (targarr[0].offsetTop < anchors[i].offsetTop) ? "up" : "down";
                anchors[i].id = "__" + targ; // save target as id with prefix (used in onclick function below)
                anchors[i].onmousedown = function() { scrollToAnchor(this.id.substring(2)); return false; };
                anchors[i].href = "#"; 		// rewrite href
            }
        }

    }
}


/*
SCROLL FUNCTIONS
*/




function scrollPage() {
    scrTime += scrInt;
    if (scrTime < scrDur) {
        window.scrollTo(0, easeInOut(scrTime, scrSt, scrDist, scrDur));
    } else {
        window.scrollTo(0, scrSt + scrDist);
        clearInterval(scrollInt);
    }
}

function scrollToAnchor(aname) {
    var anchors, i, ele;

    if (!document.getElementById)
        return;

    // get anchor
    anchors = document.getElementsByTagName("a");
    for (i = 0; i < anchors.length; i++) {
        if (anchors[i].name == aname) {
            ele = anchors[i];
            i = anchors.length;
        }
    }

    // set scroll target
    if (window.scrollY)
        scrSt = window.scrollY;
    else if (document.documentElement.scrollTop)
        scrSt = document.documentElement.scrollTop;
    else
        scrSt = document.body.scrollTop;




    scrDist = ele.offsetTop - scrSt;
    if (ele.className == "up")
        scrDist += 100;
    else
        scrDist -= 100;
    
    scrDur = 0;
    scrTime = 0;
    scrInt = 0;

    // set interval
    clearInterval(scrollInt);
    scrollInt = setInterval(scrollPage, scrInt);
}




/*
EASING FUNCTIONS
*/

function easeInOut(t, b, c, d) {
    return c / 2 * (1 - Math.cos(Math.PI * t / d)) + b;
}