$(document).ready(function(){
	$('#bot-comparar').fadeOut();
	
	$('#bot-comparar').scrollFollow({
		relativeTo: 'top',
		speed: 700,
		offset: 200
	});
	$('.comp_check').click(function(){
		sel = $('.comp_check:checked');
		if(sel.length>0) startFollowComp();
		else stopFollowComp();
	});
	$("#view-comparar").click(function(){
		var niv1 = [];
		$(".comp_check:checked").each(function() {
			niv1.push($(this).val());
	     });
		
		window.open('/comparar.php?r=' + niv1.join(","),'comparar_parentesis','width=955, height=600,resizable=yes,status=no,scrollbars=yes');
		return false;
	});
});
function startFollowComp()
{
	$('#bot-comparar').fadeIn('fast');
}

function stopFollowComp()
{
	$('#bot-comparar').fadeOut('fast');
}