There is NO if ... and ...
In Xtscripts if statement
You will have to use other if options to simulate and
See related function links below
<!--parser:xtscript-->
# 2 random numbers
var $x = call mt_rand $min=1;$max=100
var $y = call mt_rand $min=1;$max=100

# If ... and ...

if $x > 0 and $y == 1
  print The<b> and \$y == 1</b> is ignored <hr />
else
  print This never shows <hr />
endif

print \$x=$x \$y=$y<br />

<!--/parser:xtscript-->
Show in textarea
Reload
The and $y == 1 is ignored
$x=33 $y=15