function fnValidateEventSearch()
{
	if(document.getElementById('id_location').checked)	
	{
		if(document.getElementById('id_location_europe').checked ||	document.getElementById('id_location_northamerica').checked || document.getElementById('id_location_southamerica').checked || document.getElementById('id_location_asia').checked || document.getElementById('id_location_africa').checked)
			return true;
		else
		{
			alert('Please, check atleast one location to search events');
			return false;
		}
	}
}

function fnLocationChecked()
{
	if(document.getElementById('id_location_europe').checked ||	document.getElementById('id_location_northamerica').checked || document.getElementById('id_location_southamerica').checked || document.getElementById('id_location_asia').checked || document.getElementById('id_location_africa').checked)
		document.getElementById('id_location').checked = 'checked';
}


function fnRadioClicked()
{
	document.getElementById('id_location_europe').checked =	document.getElementById('id_location_northamerica').checked = document.getElementById('id_location_southamerica').checked = document.getElementById('id_location_asia').checked = document.getElementById('id_location_africa').checked = false;
}