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

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 hideDiv() {
	if (!DHTML) return;
	var x = new getObj('paak_toplayer');
	x.style.visibility = 'hidden'
}

function centerDiv() {
	if (!DHTML) return;
	var x = new getObj('paak_toplayer');
	x.style.top='220px';
	x.style.left='-50px';
}