Notice: Undefined variable: ydata_1 in /var/www/vhosts/realtypress.ru/httpdocs/graphics/graph1.php on line 136

Warning: array_reverse() [function.array-reverse]: The argument should be an array in /var/www/vhosts/realtypress.ru/httpdocs/graphics/graph1.php on line 136
JpGraph Error Empty input data array specified for plot. Must have at least one data point.