window.addEvent('domready', function(){
	var ie6 = Browser.Engine.trident4;
	if (!ie6){
		$$('.sub_nav a').each(function(el){
			//if (el.getParents('ul').length
			el.set('tween', {duration: 200});
			el.addEvents({
				'mouseenter':function(){
					var no_ul_parents = this.getParents('ul').length;
					if(no_ul_parents == 3)
						this.tween('paddingLeft', 52);
					else if(no_ul_parents == 2)
						this.tween('paddingLeft', 46);
					else if(no_ul_parents == 1)
						this.tween('paddingLeft', 24);
				},
				'mouseleave':function(){
					var no_ul_parents = this.getParents('ul').length;
					if(no_ul_parents == 3)
						this.tween('paddingLeft', 42);
					else if(no_ul_parents == 2)
						this.tween('paddingLeft', 36);
					else if(no_ul_parents == 1)
						this.tween('paddingLeft', 14);
				}
			});
		});
	}
	$$('.external').setProperty('target', '_blank');
});