var xPos = 20;
var yPos = document.body.clientHeight;
var step = 1;
var delay = 30;
var height = 0;
var Hoffset = 0;
var Woffset = 0;
var yon = 0;
var xon = 0;
var pause = true;
var interval;
img.style.top = yPos;
function changePos() {
width = document.body.clientWidth;
height = document.body.clientHeight;
Hoffset = img.offsetHeight;
Woffset = img.offsetWidth;
img.style.left = xPos + document.body.scrollLeft;
img.style.top = yPos + document.body.scrollTop;
if (yon) {
yPos = yPos + step;
}
else {
yPos = yPos - step;
}
if (yPos < 0) {
yon = 1;
yPos = 0;
}
if (yPos >= (height - Hoffset)) {
yon = 0;
yPos = (height - Hoffset);
}
if (xon) {
xPos = xPos + step;
}
else {
xPos = xPos - step;
}
if (xPos < 0) {
xon = 1;
xPos = 0;
}
if (xPos >= (width - Woffset)) {
xon = 0;
xPos = (width - Woffset);
}
}
function www_helpor_net() {
img.visibility = "visible";
interval = setInterval('changePos()', delay);
}
www_helpor_net();

function initAd() { 
document.all.AdLayer.style.posTop = -200; 
document.all.AdLayer.style.visibility = 'visible'
document.all.AdLayerRight.style.posTop = -200; 
document.all.AdLayerRight.style.visibility = 'visible'
MoveLayer('AdLayer');
MoveLayerRight('AdLayerRight');
} 
function MoveLayer(layerName) { 
var x = 0;
var y = 70;
var diff = (document.body.scrollTop + y - document.all.AdLayer.style.posTop)*.40; 
var y = document.body.scrollTop + y - diff; 
eval("document.all." + layerName + ".style.posTop = y"); 
eval("document.all." + layerName + ".style.posLeft = x");
setTimeout("MoveLayer('AdLayer');", 10);
} 
function MoveLayerRight(layerName) { 
var x = screen.availwidth-130;
var y = 70;
var diff = (document.body.scrollTop + y - document.all.AdLayer.style.posTop)*.40; 
var y = document.body.scrollTop + y - diff; 
eval("document.all." + layerName + ".style.posTop = y"); 
eval("document.all." + layerName + ".style.posLeft = x");
setTimeout("MoveLayerRight('AdLayerRight');", 10);
}