function hideObj(obj){
	if (document.getElementById) {
		myObj 	= document.getElementById(obj);
	}else if (document.all) {
		myObj 	= document.all[obj];
	}else if (document.images) {
		myObj 	= document.images[obj];
	}
	if (myObj){
		myObj.style.display 	= 'none';
		myObj.style.visibility 	= 'hidden';
	}
	return false;
}