if ( isset($_GET['C'])){
$C=$_GET['C'];
}else{
$C="";
}
if ( isset($_GET['R'])){
$R=$_GET['R'];
}else{
$R="";
}
if ( isset($_GET['URL'])){
$URL=$_GET['URL'];
}else{
$URL="";
}
if ( isset($_GET['OUT'])){
$OUT=$_GET['OUT'];
}else{
$OUT="";
}
$rand=rand(1, 1000);
$JPG="grads/MONTAGE_$rand.jpg";
$GIF="grads/MONTAGE_$rand.gif";
$PNG="grads/MONTAGE_$rand.png";
exec ("/usr/bin/montage $URL -tile \($C\)x\($R\) -geometry +0+0 $OUT");
print "