/**
 * @author 6057
 */
String.prototype.beginsWith = function(a){
		return this.length>=a.length && this.substring(0,a.length)==a
	};
String.prototype.strip = function(){
		try {
			return this.replace(/^\s+|\s+$/g, "");
		} catch(e) {
			return s;
		}
	};
function getCookie(x){
	var ck = top.document.cookie;
	if (ck.indexOf(x + '=') == -1) {
		return '';
	}
	var cookies = ck.split(';');
	for (var y = 0; y < cookies.length; y++) {
		cookies[y] = cookies[y].strip();
		if (cookies[y].beginsWith(x + '=')) {
			return cookies[y].split(x + '=')[1];
		}
	}
	return '';
}