var buttonsLocked = false;

function reselectColumn( questionId, rowNumber, columnNumber ) {
	var elements = $('surveyForm').elements;
	var i;
	
	for( i = 0; i < elements.length; i++ ) {
		var element = elements[i];
		if( element.name.indexOf( questionId + "," ) == 0 && element.value == columnNumber && element.name.endsWith( "," + rowNumber ) == false ) {
			element.checked = false;
		}
	}
}

function resetAnswer( questionUid ) {
	var elements = $('surveyForm').elements;
	var i;
	
	for( i = 0; i < elements.length; i++ ) {
		var element = elements[i];
		if( element.name == questionUid || element.name.indexOf( questionUid + "," ) == 0 ) {
			element.checked = false;
		}
	}
}

function checkButtonsLock() {
	if( buttonsLocked == false ) {
		buttonsLocked = true;
		setTimeout( function() { buttonsLocked = false; }, 5000 );
		return true;
	} else {
		return false;
	}
}