var DHTML = (document.getElementById || document.all || document.layers);

function toon(item){
	item = new getObj(item)
		item.style.display = 'block'
}
function verberg(item){
	item = new getObj(item)
		item.style.display = 'none'
}

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];
  }
}