// getObj() and getObjNN4()
// cross browser object identify (by id name)
// returns an object with two properties:
// .obj (give access to the object itself)
// .style (give access to the object styles)

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 = getObjNN4(document,name);
	  this.style = this.obj;
  }
  return this;
}

function getObjNN4(obj,name) {
	var x = obj.layers;
	var foundLayer;
	for (var i=0;i<x.length;i++)
	{
		if (x[i].id == name)
		 	foundLayer = x[i];
		else if (x[i].layers.length)
			var tmp = getObjNN4(x[i],name);
		if (tmp) 
		  foundLayer = tmp;
	}
	return foundLayer;
}