var xPos1=50,yPos1=0,step1=1,height1=0,Hoffset1=0,Woffset1=0,yon1=0,xon1=0;
function changePos1()
{
width1=document.body.clientWidth;
height1=document.body.clientHeight;
Hoffset1=document.getElementById("img1").offsetHeight;
Woffset1=document.getElementById("img1").offsetWidth;
document.getElementById("img1").style.left=xPos1+document.body.scrollLeft;
document.getElementById("img1").style.top=yPos1+document.body.scrollTop;
yPos1=yon1?yPos1+step1:yPos1-step1;
yPos1<0&&(yon1=1,yPos1=0);
yPos1>=height1-Hoffset1&&(yon1=0,yPos1=height1-Hoffset1);
xPos1=xon1?xPos1+step1:xPos1-step1;
xPos1<0&&(xon1=1,xPos1=0);
xPos1>=width1-Woffset1&&(xon1=0,xPos1=width1-Woffset1);
}
function MoveLogo(strPic)
{
// document.write('');
document.write(''+strPic+'
');
document.getElementById("img1").style.top=yPos1;
setInterval('changePos1()',16);
}