/*
* Cross Browser functions
*/
function cb_getElement(elemID) {
 if (document.layers != null) 
  return eval('document.layers["' + elemID + '"]');
 else if (document.all != null)
  return eval('document.all.' + elemID + '');
 else
  return document.getElementById(elemID);
}
function cb_getElementStyle(elemID) {
 if (document.layers != null)
  return eval('document.layers["' + elemID + '"]');
 else if (document.all != null)
  return eval('document.all.' + elemID + '.style');
 else
  return document.getElementById(elemID).style;
}
function cb_getImage(elemID,imgID) {
 if (document.layers != null)
  return eval('document.layers["' + elemID + '"].document.images["' + imgID + '"]');
 else
  return eval('document.images["' + imgID + '"]');
}

function resize()
{
	this.window.resizeTo(800,600);
}

function enableTopOfPage() {
  var docHeight = 0;
  var winHeight = 0;
  if (document.documentElement && document.documentElement.clientHeight) {
    winHeight = document.documentElement.clientHeight;
  } else if (document.body && document.body.clientHeight) {
    winHeight = document.body.clientHeight;
  }
  if (document.body && document.body.scrollHeight) {
    docHeight = document.body.scrollHeight;
  } else if (document.documentElement && document.documentElement.scrollHeight) {
    docHeight = document.documentElement.scrollHeight;
  } else if (document.body && document.body.offsetHeight) {
    docHeight = document.body.offsetHeight;
  }
  if (docHeight > 600) {
    if (docHeight > winHeight) {
		cb_getElement("topofpage").className='topofpage';
	}
  }
}