function el(id)
{
	if (document.getElementById)
	return document.getElementById(id);
	if (document.all)
	return document.all(id);
	if (document.layers)
	return document.layers(id);
	alert('Brauser ERROR');
}
function ShowHide(id){
	v = el(id).style.visibility; 
	if((v == 'hidden')||(v == 0)){		
		v = 'visible';
		p = 'static';
	}else{
		v = 'hidden';
		p = 'absolute';
	}
	el(id).style.visibility = v;
	el(id).style.position = p;
}