var createSplitForm = function(){
	$$('.split_button').each(function(button){
		button.observe('click',function(ev){
			ev.stop();
			fields = ""
			split = '<li><input class="inline focus" id="splits[][elapsed_time_minutes]" name="splits[][elapsed_time_minutes]" size="3" type="text" value="mm" /> : <input class="inline focus" id="splits[][elapsed_time_seconds]" name="splits[][elapsed_time_seconds]" size="3" type="text" value="ss" /></li>'
			if($('run_distance').value.blank()){
				$('splits').update("Please enter a distance!");	
			}else{
				parseFloat($('run_distance').value).ceil().times(function(){
					fields += split
				});
				$('splits').update(fields);
				new FieldListener();
			}
		})
	})
}

var FieldListener = Class.create({
  initialize: function(name, sound) {
    $$('.focus').each(function(field){
		var originalValue = field.value;
		field.observe('focus',function(){
			field.value = "";
		});
		field.observe('blur',function(){
			if (field.value.blank()){
				field.value = originalValue;
			}
		})
	});
  }
});