oldW = 0;
oldH = 0;
function findPageSize() {
  if (window.innerWidth) {  
    pageW=window.innerWidth-16; // adjust for scrollbar
    pageH=window.innerHeight-16; // adjust for scrollbar
  }
  else if (document.body.clientWidth) {
    pageW=document.body.clientWidth;
    pageH=document.body.clientHeight;
  }
}
//findPageSize();
function layerPos(layername,xpos,ypos) {  
  var layerobj;
  if (document.layers) {
    layerobj=eval('document.'+layername);
    layerobj.left=xpos;
    layerobj.top=ypos;
    layerobj.visibility='show';
  }
  else {
  if(document.all){
    layerobj=eval('document.all.'+layername.substring(layername.lastIndexOf('.')+1,layername.length));
    layerobj.style.left=xpos;
    layerobj.style.top=ypos;
    layerobj.style.visibility='visible';
  }else{
    if(document.getElementById(layername)){
      layerobj=document.getElementById(layername);
      layerobj.style.left=xpos;
      layerobj.style.top=ypos;
      layerobj.style.visibility='visible';
    }
  }
  }
}