window.onerror = "";
function changeheightscript() {
	var sel = "td.windowheightpseudo";
	var prop = "height";
	var val = "10px";
  var rules,docstyle=document.styleSheets.item(0);
  if(docstyle.rules)rules=docstyle.rules;        // IE
  if(docstyle.cssRules)rules=docstyle.cssRules;  // Mozilla
  var rl=rules.length;

  for(var i=0;i<rl;i++)
  {
	  if (rules.item(i).selectorText.toLowerCase()==sel.toLowerCase()) val = rules.item(i).style[prop];
  }
val = val.replace(/px/g, "");

	var x,y;
if (self.innerHeight) // all except Explorer
{
	x = self.innerWidth;
	y = self.innerHeight;
}
else if (document.documentElement && document.documentElement.clientHeight)
	// Explorer 6 Strict Mode
{
	x = document.documentElement.clientWidth;
	y = document.documentElement.clientHeight;
}
else if (document.body) // other Explorers
{
	x = document.body.clientWidth;
	y = document.body.clientHeight;
}
document.getElementById("zelle").height = (y-val);
document.getElementById("zelle1").height = (y-val);
}