var menuTopMargin = -10;
var menuSpeed = 4;
var timerSpeed = 100;
var timer;
var heightLimit = 0;
var time2;

function checkMenuRight(){ 
if(document.body.offsetHeight > heightLimit) {
var reTimer = timerSpeed;
var startPoint = parseInt(document.all.rightMenu.style.top,10);
var endPoint = document.body.scrollTop;
endPoint = (menuTopMargin <= endPoint ) ? endPoint - menuTopMargin : 0;
if(startPoint != endPoint) {
moveAmount = Math.ceil(Math.abs(endPoint - startPoint) / 15);
document.all.rightMenu.style.top = parseInt(document.all.rightMenu.style.top,10) + ((endPoint<startPoint) ? -moveAmount : moveAmount);
reTimer = menuSpeed;
}
} else{
//document.all.sMenu.style.top = 0; 
} 
timer = setTimeout("checkMenuRight();",reTimer);
}

function initMenuRight(){
if(document.body.offsetHeight > heightLimit){
document.all.leftMenu.style.top = document.body.scrollTop;
}
checkMenuLeft();
}


function checkMenuLeft(){
if(document.body.offsetHeight > heightLimit) {
var reTimer = timerSpeed;
var startPoint = parseInt(document.all.leftMenu.style.top,10);
var endPoint = document.body.scrollTop;
endPoint = (menuTopMargin <= endPoint ) ? endPoint - menuTopMargin : 0;
if(startPoint != endPoint) {
moveAmount = Math.ceil(Math.abs(endPoint - startPoint) / 15);
document.all.leftMenu.style.top = parseInt(document.all.leftMenu.style.top,10) + ((endPoint<startPoint) ? -moveAmount : moveAmount);
reTimer = menuSpeed;
}
}else{
//document.all.sMenu.style.top = 0; 
} 
timer = setTimeout("checkMenuLeft();",reTimer);
}
function initMenuLeft(){
if(document.body.offsetHeight > heightLimit){
document.all.rightMenu.style.top = document.body.scrollTop;
}
checkMenuRight();
}