НАЦИОНАЛНА МРЕЖА ОТ ВИРТУАЛНИ БИБЛИОТЕКИfunction getParameter ( queryString, parameterName ) {// Add "=" to the parameter name (i.e. parameterName=value)var parameterName = parameterName + "=";if ( queryString.length > 0 ) {// Find the beginning of the stringbegin = queryString.indexOf ( parameterName );// If the parameter name is not found, skip it, otherwise return the valueif ( begin != -1 ) {// Add the length (integer) to the beginningbegin += parameterName.length;// Multiple parameters are separated by the "&" signend = queryString.indexOf ( "&" , begin );if ( end == -1 ) {end = queryString.length}// Return the stringreturn unescape ( queryString.substring ( begin, end ) );}// Return "null" if no parameter has been foundreturn "null";}}function MM_swapImgRestore() { var i,x,a=document.MM_sr; for(i=0;a&&i