function showGender(obj){
	var genderTypes = document.getElementsByName("genderType")

	for (i=0; i<genderTypes.length; i++){
		document.getElementById("div"+(i+1)).style.display='block';
	}

	if (obj=="man" || obj=="woman"){
		for (i=0; i<genderTypes.length; i++){
			if (genderTypes[i].value!=obj){
				document.getElementById("div"+(i+1)).style.display='none';
			}
		}
	}
}