function getClientWidth()
{
  return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientWidth:document.body.clientWidth;
}

function getClientHeight()
{
  return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientHeight:document.body.clientHeight;
}


function HowToHelp(){
    myBox=document.getElementById("xHelp");
    width=getClientWidth();
    myBox.style.left=width-245+"px";
    myBox.style.top=0+"px";
}