$(function() {
          $(".nav,").lavaLamp({
          fx: "backout",
          speed: 700,
          click: function(event, menuItem) {
          return true;
          }
          });
          });

var currentSection = "home-pane";
var tabTag = "-tab";
var paneTag = "-pane";
function ScrollSection(link, scrollArea, offset)
{ if (currentSection == link) {
return;
}
lastSection = currentSection;
currentSection = link;

sectionTab = currentSection.split("-")[0] + tabTag;
document.getElementById(sectionTab).className = 'active';
if (lastSection) {
lastTab = lastSection.split("-")[0] + tabTag;
document.getElementById(lastTab).className = "inactive";
}

theScroll = document.getElementById(scrollArea);
position = findElementPos(document.getElementById(link));


if (offset != "") {
offsetPos = findElementPos(document.getElementById(offset));
position[0] = position[0] - offsetPos[0];
}


scrollStart(theScroll, theScroll.scrollLeft, position[0], "horiz");
// return false;
}
function ScrollArrow(direction, toolbar, scrollArea, offset) {

toolbarElem = document.getElementById(toolbar);
toolbarNames = new Array();

if (toolbarElem.hasChildNodes())
{
var children = toolbarElem.childNodes;
for (var i = 0; i < children.length; i++)
{
if (toolbarElem.childNodes[i].tagName == "LI") {
toolbarNames.push(toolbarElem.childNodes[i].id.split("-")[0]);
}
}
}

for (var i = 0; i < toolbarNames.length; i++) {
if (toolbarNames[i] == currentSection.split("-")[0]) {
if (direction == "left") {
if (i - 1 < 0) {
gotoTab = toolbarNames[toolbarNames.length - 1];
} else {
gotoTab = toolbarNames[i - 1];
}
} else {
if ((i + 1) > (toolbarNames.length - 1)) {
gotoTab = toolbarNames[0];
} else {
gotoTab = toolbarNames[i + 1];
}
}
}
}


ScrollSection(gotoTab+paneTag, scrollArea, offset);

}
var scrollanim = {time:0, begin:0, change:0.0, duration:0.0, element:null, timer:null};

function scrollStart(elem, start, end, direction)
{
if (scrollanim.timer != null) {
clearInterval(scrollanim.timer);
scrollanim.timer = null;
}
scrollanim.time = 0;
scrollanim.begin = start;
scrollanim.change = end - start;
scrollanim.duration = 25;
scrollanim.element = elem;

if (direction == "horiz") {
scrollanim.timer = setInterval("scrollHorizAnim();", 15);
}
else {
scrollanim.timer = setInterval("scrollVertAnim();", 15);
}
}
function scrollVertAnim()
{
if (scrollanim.time > scrollanim.duration) {
clearInterval(scrollanim.timer);
scrollanim.timer = null;
}
else {
move = sineInOut(scrollanim.time, scrollanim.begin, scrollanim.change, scrollanim.duration);
scrollanim.element.scrollTop = move;
scrollanim.time++;
}
}
function scrollHorizAnim()
{
if (scrollanim.time > scrollanim.duration) {
clearInterval(scrollanim.timer);
scrollanim.timer = null;
}
else {
move = sineInOut(scrollanim.time, scrollanim.begin, scrollanim.change, scrollanim.duration);
scrollanim.element.scrollLeft = move;
scrollanim.time++;
}
}
function findElementPos(elemFind)
{
var elemX = 0;
var elemY = 0;
do {
elemX += elemFind.offsetLeft;
elemY += elemFind.offsetTop;
} while ( elemFind = elemFind.offsetParent )

return Array(elemX, elemY);
}
function sineInOut(t, b, c, d)
{
return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
}
