Ich glaub, so ist's besser ;) :
function getData(name)
{ m = -1;
for (n = 0; n < parent.frames[1].dataNames.length; n++)
{ if ( parent.frames[1].dataNames[n].toLowerCase() == name.toLowerCase() ) m = n; }
return ((m == -1)? 'no such data found':parent.frames[1].dataContent[m])
}
Mirko