function filter(ref)
{	
	//var tags = $('tags').getElementsByTagName('input');
	/*
var tagged = '';
	
	for (var i=0; i<tags.length; i++)
	{
		if (tags[i].checked)
		{
			if (i == 0) tagged += ',';
			tagged += tags[i].id
		}
		
	}
*/
	
	new Ajax.Request(getBaseURL() + './filter.php',
	{
		method: 'post',
		parameters: $('form').serialize(false),
		onSuccess: function()
		{
			window.location = ref;
		},
		onFailure: function()
		{
			alert('Failed writing tags to session');
		}
	});
}