function check_type() {
	
	var ourSelect = 	document.rma_signup_form.membership_type.selectedIndex;
	var ourPrimary = 	document.getElementById("p_primary_inst");
	var ourSecondary = 	document.getElementById("p_secondary_inst");
	
	
	if (ourSelect == 1) {
		
		ourPrimary.style.display = "none";
		ourSecondary.style.display = "none";
	
	} else {
		
		ourPrimary.style.display = "block";
		ourSecondary.style.display = "block";
		
	}
	
}