/*--- Запись в cookie ---*/
function setCookie (name, value, expires, path, domain, secure) {
      document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}
/*----------------------*/

/*--- Чтение из cookie ---*/
function getCookie(name) {
	var cookie = " " + document.cookie;
	var search = " " + name + "=";
	var setStr = null;
	var offset = 0;
	var end = 0;
	if (cookie.length > 0) {
		offset = cookie.indexOf(search);
		if (offset != -1) {
			offset += search.length;
			end = cookie.indexOf(";", offset)
			if (end == -1) {
				end = cookie.length;
			}
			setStr = unescape(cookie.substring(offset, end));
		}
	}
	return(setStr);
}
/*----------------------*/


$(document).ready(function () {
  	var block = '';
	var lplb = document.getElementById('lplb');
	var lprb = document.getElementById('lprb');
	var lpcl = document.getElementById('lpcl');
	var lpcr = document.getElementById('lpcr');

	block = getCookie('block');

	if (block == 'right' || block == 'right/') {
		lplb.className = '';
		lprb.className = 'lprb_active';
	    lpcl.style.display = 'none';
	    lpcr.style.display = 'block';
		setCookie("block", "right", "", "/");
	}
	if (block == 'left' || block == 'left/') {
		lprb.className = '';
		lplb.className = 'lplb_active';
	    lpcl.style.display = 'block';
	    lpcr.style.display = 'none';
		setCookie("block", "left", "", "/");
	}

	lplb.onclick = function () {
		lprb.className = '';
		lplb.className = 'lplb_active';
		lpcr.style.display='none';
		lpcl.style.display='block';
		setCookie("block", "left", "", "/");
	}

	lprb.onclick = function () {
		lplb.className = '';
		lprb.className = 'lprb_active';
		lpcr.style.display='block';
		lpcl.style.display='none';
		setCookie("block", "right", "", "/");
	}
});