function getParameter( parameterName ){var queryString = window.location.search.substring(1).toLowerCase();var parameters = new Array();parameters = queryString.split('&');for(var i = 0; i < parameters.length; i++){if (parameters[i].indexOf(parameterName.toLowerCase())>=0){var parameterValue = new Array();parameterValue = parameters[i].split('=');return parameterValue[1];}}return 'null';}function getNewURL( sCurrentURL, input ){var searchbaseurl = sCurrentURL.split('?');var searchOldParams = searchbaseurl[1].split('&');var newparameters = '';for(var i = 0; i < searchOldParams.length; i++){var singleparameter = searchOldParams[i].split('=');if( singleparameter[0] != 'q' ){if( newparameters == '' )newparameters = searchOldParams[i];else{newparameters += '&' + searchOldParams[i];}}}if( newparameters == '' )newparameters = 'q=' + input;else newparameters += '&q=' + input;var sCurrentSearchHistoryValue = getParameter('searchhistory');var sCurrentSearchValue = getParameter('q');if( sCurrentSearchHistoryValue != 'null' ){newparameters += '&searchhistory=' + sCurrentSearchHistoryValue + ',' + input;}else if( sCurrentSearchValue != 'null' ){newparameters += '&searchhistory=' + sCurrentSearchValue + ',' + input;}else{newparameters += '&start=&spell=';}return searchbaseurl[0] + '?' + newparameters+"&start=0";}