$(document).ready(function() { 
        $('ul#nav').superfish({ 
            delay:       100,                            // one second delay on mouseout 
            animation:   {opacity:'show',height:'show'},  // fade-in and slide-down animation 
            speed:       'fast',                          // faster animation speed 
            autoArrows:  true,                           // disable generation of arrow mark-up 
            dropShadows: false                            // disable drop shadows 
        }); 
    });
	
	var Handler = {
	clearedOnce : false,
	clear : function ( field ) {
		if (this.clearedOnce == false) {
			field.value = '';
			this.clearedOnce = true;
			}
		}
	}