function changePic(pic){
    getObject('nagyKep').innerHTML = "<img src='image/"+pic+"' alt='' width='612' height='479' />";
}

function getObject( Id )
{
    if ( document.getElementById )	return document.getElementById( Id );
 	else if ( document.layers )	 return document.layers( Id );
    else if ( document.all )	 return document.all[ Id ];
}




/* calendar starts */

var cal_obj2 = null;

var format = '%Y-%m-%d';

function show_cal(el) {

	if (cal_obj2) return;

	var text_field = document.getElementById("sz_datum");

	cal_obj2 = new RichCalendar();
	cal_obj2.start_week_day = 1;
	cal_obj2.show_time = false;
	cal_obj2.language = 'hu';
	cal_obj2.user_onchange_handler = cal2_on_change;
	cal_obj2.user_onclose_handler = cal2_on_close;
	cal_obj2.user_onautoclose_handler = cal2_on_autoclose;

	cal_obj2.parse_date(text_field.value, format);

	cal_obj2.show_at_element(text_field, "adj_right-bottom");
	cal_obj2.change_skin('alt');

}

function cal2_on_close(cal) {	
	cal.hide();
	cal_obj2 = null;	
}

function cal2_on_change(cal, object_code) {
	if (object_code == 'day') {
		document.getElementById("sz_datum").value = cal.get_formatted_date(format);
		cal.hide();
		cal_obj2 = null;
	}
}


function cal2_on_autoclose(cal) {
	cal_obj2 = null;
}

function cal_on_change_dummy(cal, object_code) {
	if (object_code == 'day') {
		alert('Kiválasztott dátum: ' + cal.get_formatted_date());
		cal.show_date();
	}
}

/* end of calendar */


function checkForm(){

	if (
	
	getObject('nev').value == "" ||
	getObject('cegnev').value == "" ||
	getObject('email').value == "" 

	)
		alert("Minden csillaggal jelölt mező kitöltése kötelező!");
	else
		return true;
	
	return false;
		
}

function hideAllCatCombo(){
	getObject('cat_1').style.display = 'none';
	getObject('cat_2').style.display = 'none';
}