window.onerror = null;
var topMargin = 180;
var slideTime = 1000;
var ns6 = (!document.all && document.getElementById);
var ie4 = (document.all);
var ns4 = (document.layers);
//Top Level of current Language:
var gTopLevel;

function layerObject(id,left,top) {
if (ns6) {
this.obj = document.getElementById(id).style;
this.obj.left = left;
this.obj.top = top;
return this.obj;
}
else if(ie4) {
this.obj = document.all[id].style;
this.obj.left = left;
this.obj.top = top;
return this.obj;
}
else if(ns4) {
this.obj = document.layers[id];
this.obj.left = left;
this.obj.top = top;
return this.obj;
}
}

function layerSetup() {

floatLyr = new layerObject('FloatMenu', 29, 180);

if  (ns4 || ns6)  {
LangLeft = document.getElementById("LanguageSelection").style.left;
LangTop = document.getElementById("LanguageSelection").style.top;
}
else if(ie4){
LangLeft = LanguageSelection.style.left;
LangTop = LanguageSelection.style.top;
}

LangLyr = new layerObject('Languages', (LangLeft), (LangTop));
window.setInterval("main()", 10)
}

function floatObject() {
if (ns4 || ns6) {
findHt = window.innerHeight;
} else if(ie4) {
findHt = document.body.clientHeight;
}
}

function ShowLanguages() {
if (ns4 || ns6) {
//document.layers["Languages"].visibility = "visible"
document.getElementById("Languages").style.visibility = "visible";
document.getElementById("LanguagesArrow").src=gTopLevel + "/Images/up.gif";
} else if(ie4) {
Languages.style.visibility="visible";
LanguagesArrow.src=gTopLevel + "/Images/up.gif";
}
//LanguagesArrow.src=gTopLevel + "/Images/up.gif";
LangOpen = 1;
}

function HideLanguages(){

if (ns4 || ns6) {
//document.layers["Languages"].visibility = "hidden"
document.getElementById("Languages").style.visibility = "hidden";
document.getElementById("LanguagesArrow").src=gTopLevel + "/Images/down.gif";
} else if (ie4) {
Languages.style.visibility="hidden"
LanguagesArrow.src=gTopLevel + "/Images/down.gif";
}

LangOpen = 0;

}

function ChangeLanguages() {
if (LangOpen == 1) {
HideLanguages();
}
else {
ShowLanguages();
}
}



function main() {
if (ns4) {
this.currentY = document.layers["FloatMenu"].top;
this.scrollTop = window.pageYOffset;
mainTrigger();
}
else if(ns6) {
this.currentY = parseInt(document.getElementById('FloatMenu').style.top);
this.scrollTop = scrollY;
mainTrigger();
} else if(ie4) {
this.currentY = FloatMenu.style.pixelTop;
this.scrollTop = document.body.scrollTop;
mainTrigger();
}
}
function mainTrigger() {
var newTargetY = this.scrollTop + this.topMargin;
if ( this.currentY != newTargetY ) {
if ( newTargetY != this.targetY ) {
this.targetY = newTargetY;
floatStart();
}
animator();
}
}
function floatStart() {
var now = new Date();
this.A = this.targetY - this.currentY;
this.B = Math.PI / ( 2 * this.slideTime );
this.C = now.getTime();
if (Math.abs(this.A) > this.findHt) {
this.D = this.A > 0 ? this.targetY - this.findHt : this.targetY + this.findHt;
this.A = this.A > 0 ? this.findHt : -this.findHt;
}
else {
this.D = this.currentY;
}
}
function animator() {
var now = new Date();
var newY = this.A * Math.sin( this.B * ( now.getTime() - this.C ) ) + this.D;
newY = Math.round(newY);
if (( this.A > 0 && newY > this.currentY ) || ( this.A < 0 && newY < this.currentY )) {
if ( ie4 )document.all.FloatMenu.style.pixelTop = newY;
if ( ns4 )document.layers["FloatMenu"].top = newY;
if ( ns6 )document.getElementById('FloatMenu').style.top = newY + "px";
}
}



function start() 
{
// top Level Language:
gTopLevel = window.location.pathname;
getTheRoot();

if(ns6||ns4) {

pageWidth = innerWidth;
pageHeight = innerHeight;

layerSetup();
HideLanguages();
floatObject();
}
else if(ie4) {
pageWidth = document.body.clientWidth;
pageHeight = document.body.clientHeight;
layerSetup();
HideLanguages();
floatObject();
}
}

function xxgetTheRoot()
{
var nIndex = gTopLevel.lastIndexOf("\\")
if (nIndex <= 0)
{
nIndex = gTopLevel.lastIndexOf("/");
}
var temp = gTopLevel.substr(nIndex,gTopLevel.length);
gTopLevel = gTopLevel.substr(0,nIndex);
if (temp == "\\Articles" || temp == "/Articles" || temp =="\\Script" || temp == "/Script" || temp =="")
{
alert("OK"+gTopLevel);
return;
}
else{
alert(gTopLevel);
getTheRoot();
}
}