window.addEvent('domready', function() {

	
	
    var tweenerFunctionShowLeft  = function() {
        
        $('horizontal_slide').set('tween',{'duration': 'short'});
    	$('horizontal_slide').tween('margin-left', '220'); 
    	}
        
        $('horizontal_slide').addEvent('mouseenter', tweenerFunctionShowLeft);
        
       

        
        
        
        var tweenerFunctionHideLeft  = function() {
        $('horizontal_slide').tween('margin-left', '-0px');
        }
        
        $('horizontal_slide').addEvent('mouseleave', tweenerFunctionHideLeft);
        

	
	
});