function iniciar()
{
	Sortable.create('sociable_known_sites' , { constraint: 'horizontal' , overlap: 'horizontal' });
	return true;
}

function serializeSociableSitesCheckboxes(formulario)
{
	var socialSites="";
	for(i=0;elem=formulario.elements[i];i++)
	{
		if (elem.type=='checkbox' && elem.checked)
		{
			socialSites = socialSites + elem.value + ';;;';
		}
	}
	return socialSites;
}

function validar()
{
	var socialSites = "";
	var formulario = document.getElementById('sociable_config_form');
	socialSites = serializeSociableSitesCheckboxes(formulario);
	if (!socialSites.length > 0)
	{
		alert('Please choose at least one social site where to share');
	}
	else if (!document.getElementById('captcha_code').value.length>0)
	{
		alert('Please fill captcha code');
	}
	else
	{
		var target = "web";
		xajax_getSociableCode(document.getElementById('captcha_code').value, target, socialSites);
		return true;
	}
	return false;
}