var sPageName= new String(location.href);
var sFirstPage = "russian_history_1.html";
var sLastPage = "russian_history_393.html";
var nPageNum1 = new Number(sPageName.indexOf("y_"))+2;
var nPageNum2 = new Number(sPageName.indexOf(".html"));
var nCurentPage = new Number(sPageName.substring(nPageNum1,nPageNum2));
var nFirrstPageCheck =sPageName.indexOf(sFirstPage);
var nLastPageCheck = sPageName.indexOf(sLastPage);
var sKey ="Russian Visa Russian Caviar";