function showObjectItem(objToShow, objValueForShowing, obj) {
	
	var showObj = false;
	
	// radio
	if(obj.type == "radio") {
		if(obj.value == objValueForShowing) {
			showObj = true;
		} else {
			showObj = false
		}
	}
	
	// determine of object has to show up
	if(document.getElementById(objToShow)) {
		if(showObj) {
			document.getElementById(objToShow).style.display = "block";
		} else {
			document.getElementById(objToShow).style.display = "none";
		}
	}
	
}