var survey_actual_count = 0;

var survey_numbers = new Array();
survey_numbers[1] = 'špatný';
survey_numbers[2] = 'podprůměrný';
survey_numbers[3] = 'slušný';
survey_numbers[4] = 'dobrý';
survey_numbers[5] = 'výborný';

function SurveySetActualCount(count)
{
	survey_actual_count = parseInt(count);
}

function SurveyDisplayCount(count)
{
	var ItemsArr = new Array();
	
	// get all items
	ItemsArr[1] = document.getElementById('survey_item_1');
	ItemsArr[2] = document.getElementById('survey_item_2');
	ItemsArr[3] = document.getElementById('survey_item_3');
	ItemsArr[4] = document.getElementById('survey_item_4');
	ItemsArr[5] = document.getElementById('survey_item_5');
	
	var i;
	
	for(i = 1; i <= parseInt(count); i++)
		ItemsArr[i].src = "images/survey_item_c.gif";
		
	if(parseInt(count) < 5)
	{
		for(i = parseInt(count) + 1; i <= 5; i++)
			ItemsArr[i].src = "images/survey_item_w.gif";
	}
}

function SurveyPreDisplayCount(count)
{
	var ItemsArr = new Array();
	
	// get all items
	ItemsArr[1] = document.getElementById('survey_item_1');
	ItemsArr[2] = document.getElementById('survey_item_2');
	ItemsArr[3] = document.getElementById('survey_item_3');
	ItemsArr[4] = document.getElementById('survey_item_4');
	ItemsArr[5] = document.getElementById('survey_item_5');
	
	var i;
	
	for(i = 1; i <= parseInt(count); i++)
		ItemsArr[i].src = "images/survey_item_b.gif";
		
	if(parseInt(count) < 5)
	{
		for(i = parseInt(count) + 1; i <= 5; i++)
			ItemsArr[i].src = "images/survey_item_w.gif";
	}
	
	document.getElementById('survey_predisplay_word').innerHTML = survey_numbers[parseInt(count)];
}

function SurveyRestore()
{
	SurveyDisplayCount(parseInt(survey_actual_count));
	
	document.getElementById('survey_predisplay_word').innerHTML = '';
}

function SurveySend(num)
{
	document.getElementById('survey_form_number').value = num;
	
	document.forms.survey_form.submit();
}