function selectHobby() {

	document.getElementById("search-group1").style.display = 'none';
	document.getElementById("search-group2").style.display = 'none';
	document.getElementById("search-group3").style.display = 'none';
	document.getElementById("search-group4").style.display = 'none';
	document.getElementById("search-group5").style.display = 'none';
	document.getElementById("search-group6").style.display = 'none';

	var mylist=document.getElementById("interestDropdown");
	var val = mylist.options[mylist.selectedIndex].value;
	document.getElementById("search-group" + val).style.display = 'block';

}