function hide(e)
{
	if (e == 'this') {
		e.style.display = 'none';
		e.innerHTML = '';
	} else {
		var el = document.getElementById(e);
		el.style.display = 'none';
		el.innerHTML = '';
	}
}

var fade = {
	opacity : 100,
	
	speed : 8,
	
	hide : function (id) {
		this.doHide(id, this.opacity);
	},
	
	doHide : function (id, opacity) {
		var o = document.getElementById(id);
		if (opacity >= 5) {
			fade.setOpacity(o, opacity);
			opacity -= this.speed;
			window.setTimeout("fade.doHide('" + id + "', " + opacity + ")", 50);
		} else {
			o.style.display = 'none';
		}
	},
	
	setOpacity : function (o, opacity) {
		o.style.MozOpacity = opacity / 100;
		o.style.opacity = opacity / 100;
		o.filter = "alpha(opacity=" + opacity + ")";
		o.style.KHTMLOpacity = opacity / 100;
	}
}

function erase(e) {
	e.value = '';
}

function fill(e, v) {
	e.value = v;
}