Куки для поддоменов

		function setStyle(url) { 
			if (!arguments.length) {  
				url = (url = document.cookie.match(/\bsitestyle=([^;]*)/)) && url[1];  
				if (!url) return '';  
			}  
			document.getElementById('setcolor').href = url;  
			var d = new Date();  
			d.setFullYear(d.getFullYear() + 1);  
			document.cookie = ['sitestyle=', url, ';expires=', d.toGMTString(), ';path=/;'].join('');  
			return url;  
		}  
		setStyle();