function getObj(name)
{
  if (document.getElementById)
  {
        this.obj = document.getElementById(name);
        this.style = document.getElementById(name).style;
  }
  else if (document.all)
  {
        this.obj = document.all[name];
        this.style = document.all[name].style;
  }
  else if (document.layers)
  {
        this.obj = document.layers[name];
        this.style = document.layers[name];
  }
}

function clearError(oid)
{
	var x = new getObj(oid);
	x.style.backgroundColor = 'white';
	return true;
}

function fixImgs(whichId, maxW) {
var pix=document.getElementById(whichId).getElementsByTagName('img');
  for (i=0; i<pix.length; i++) {
    w=pix[i].width;
    h=pix[i].height;
    if (w > maxW) {
      f=1-((w - maxW) / w);
      pix[i].width=w * f;
      pix[i].height=h * f;
    }
  }
}