function clearText(field){
    if (field.defaultValue == field.value) field.value = '';
    else if (field.value == '') field.value = field.defaultValue;
}
$(document).ready(function() { 
	$.preloadCssImages();             
	$("ul.sf-menu").supersubs({ 
	    minWidth:    12,   
	    maxWidth:    27,  
	    extraWidth:  1                        
	}).superfish(); 
	$('dl.expander dd:eq(0)').expander();      
	$('dl.expander dd:gt(0)').expander({     
		collapseTimer: 4000,     
		beforeExpand: function($thisElement) {       
			$thisElement.parent().parent().append('<div>before expand.</div>');     
		},     
		afterExpand: function($thisElement) {       
		$thisElement.parent().parent().append('<div>after expand</div>');     
		},     
		onCollapse: function($thisElement, byUser) {       
			if (byUser === true) {         
				$thisElement.parent().parent().append('<div class="success">on collapse (by user).</div>');                 
			} else {         
				$thisElement.parent().parent().append('<div class="success">on collapse (by timer).</div>');       
			}     
		}        
	}); 
	$(".colorbox").colorbox();
	$('.topNav_headline').animate({
	  "font-size": 18
	}, 800, function() {
		$('.topNav_headline').animate({
			"font-size": 15
		  }, 500, function() {
			  // Animation complete.
		});
	});
});