function showedit()
	{
		var layerNormal = document.getElementById('content');
		var layerEdit = document.getElementById('content_form');
		if(layerNormal.style.display == 'none')
		{
			layerNormal.style.display = 'block';
			layerEdit.style.display = 'none';
		}
		else
		{
			layerNormal.style.display = 'none';
			layerEdit.style.display = 'block';
		}
	}