var validationFuncs = {
	checkBox: function(elm) {
		if(document.getElementById('intrested_ploscice').checked
			|| document.getElementById('intrested_sanitar').checked
			|| document.getElementById('intrested_armature').checked
			|| document.getElementById('intrested_hidro').checked
			|| document.getElementById('intrested_tus').checked
			|| document.getElementById('intrested_dodatki').checked
			|| document.getElementById('intrested_kop_pohistvo').checked
			|| document.getElementById('intrested_san_teh').checked
			|| document.getElementById('intrested_drugo').checked
		) {
			return true;
		} else {
			return false;
		}
	}
}

function getFunc(func, elm) {
	if(func=='checkBox') { 	
		return validationFuncs.checkBox();
	}
							
}