function isearch() {
	var districtSelector = document.getElementById('district');
	var itypeSelector = document.getElementById('itype');
	var ptypeSelector = document.getElementById('ptype');

	var baseURL = 'http://planetarealit.sk/content/view/full/160/';
	var viewParams = '(district)/' + districtSelector.value + '/(itype)/'+ itypeSelector.value + '/(ptype)/'+ ptypeSelector.value + '/';

	window.location = baseURL + viewParams;
}