function switchPhoto(selectedPhotoIndex, totalPhotos) {
	$("large_photo").src = img_src[selectedPhotoIndex]; 
}

function reloadHomeDetail(home_id) {
	var opt = {
		method: 'post',
		postBody: 'home_id='+home_id,
		asynchronous: false,
		onSuccess: function(t) {
			$("home_detail").update(t.responseText);
		},
		on404: function(t) {
			alert('Error 404: location "' + t.statusText + '" was not found. ');
		},
		onFailure: function(t) {
			alert('Error ' + t.status + ' -- ' + t.statusText);
		} 
	}
	new Ajax.Request( root+'ajax/get_home_detail.php', opt); 
}

function validate() {
	var error = "";
	var errorField = "";

	if ( $("address").value=="" ) {
		error += "\n    - Address";
		if ( errorField == "" ) {
			errorField = "address";
		}
	}

	if ( $("city").value=="" ) {
		error += "\n    - City";
		if ( errorField == "" ) {
			errorField = "city";
		}
	}
	
	if ( $("state").value=="" ) {
		error += "\n    - State";
		if ( errorField == "" ) {
			errorField = "state";
		}
	}
	
	if ( error != "" ) {
		alert("You didn't fill in the following required field(s):"+error);
		if ( errorField != "" ) {
			$(errorField).focus();
		}
		return false;
	}
	else {
		return true;
	}
}