JavaScript scrolling floating AD code in the bottom left corner

<div id= "watermark" style= "Position:absolute" >
<table width=170 height=100 cellpadding=0 cellspacing=0>
<tr>
<TD bgcolor= #e9e8ee class=solution2></td>
</tr>
<tr>
<TD bgcolor= #e9e8ee >
<span class= "Style2" >
<br> here can put files Oh, this is floating layer Oh <br>
</span>
</td>
</tr>
</table>
</div>

<script language= Web page Special effects >

MARKW = 10; //
Markh = 10; //
MarkX = 7; //
Marky = 72; //
Markrefresh = 20; //

if (!document.all) document.all = document;
if (!document.all.watermark.style) Document.all.watermark.style = Document.all.watermark;

Wmark = Document.all.watermark.style;
Wmark.width = markw;
Wmark.height = Markh;
Navdom = Window.innerheight;

function Setvals () {
BARW = 0;
Barh = 0;
if (navdom) {
if (Document.height > Innerheight) barw = 20;
if (Document.width > innerwidth) Barh = 20;
} else {
Innerwidth = document.body.clientwidth;
Innerheight = document.body.clientheight;
}
Posx = ((innerwidth-markw)-barw) * (markx/100);
Posy = ((INNERHEIGHT-MARKH)-barh) * (marky/100);
}

function Wrefresh () {
Wmark.left = Posx + (navdom?pagexoffset:document.body.scrollleft);
Wmark.top = Posy + (navdom?pageyoffset:document.body.scrolltop);
}

function Markme () {
Setvals ();
Window.onresize=setvals;
Markid = SetInterval ("Wrefresh ()", Markrefresh);
}

Window.onload=markme;

</script>