function changeSearch() {
	
		if (document.forms.search.radio[0].checked) {
		
			document.getElementById('buyPrice').style.display = 'block';
			document.getElementById('letPrice').style.display = 'none';
			
		} else {
		
			document.getElementById('buyPrice').style.display = 'none';
			document.getElementById('letPrice').style.display = 'block';
		
		}
		
	}