var S_SHOWGRID = 'Show grid lines';
var S_SAMESCALE = 'Same scale for both axes [*]';
var S_FITWND = 'Fit diagram into window [*]';
var S_PRTVIEW = 'Print preview';
var S_POSTREPING = '[*] visible after redrawing';
var S_COORDTIP = 'Move mouse over diagram';
var S_DELGRAPHS = 'Delete all graphs?';
var S_DELLASTGRAPH = 'Delete latest graph?';
var S_OLDBROWSER = 'Your browser\'s JavaScript implementation is insufficient or there is a script on this page that takes too long to load.';
var S_ERR_BASE = 'Invalid ';
var S_ERR_XRANGE = 'interval specified for x.\nx min must be lesser than x max.';
var S_ERR_YRANGE = 'range for y.\ny min must be lesser than y max.';
var S_ERR_TERM = 'function expression.\nTypo?\nInvalid usage of operators?\nError with opening and closing parentheses?\nPlease check syntax.';
var S_ERR_TCOMM = 'function expression.\nToo many commas.';
var S_ERR_TDECI = 'function expression.\nToo many commas.\nUse point as decimal point.';
var S_ERR_TMISSCOMM = 'function expression.\n(At least) one of the helper functions requires two (or gaussd(): three) arguments.\nApparently one argument is missing, or a comma separating arguments from each other.';
var S_ERR_TPIPE = 'function expression.\nApparently typo. One too many pipes (\'|\').';
var S_ERR_TPARENTH = 'function expression.\nOpening and closing parentheses don\'t match.';