Widget Message Box

I have created a widget in Dashcode to run in an iBooks.

The code in the main.js calls an 'alert' which displays a message box as follows:

try

{

if(Test !== 99999999) throw "Input an amount:";

}

catch(err)

{

errorMsg(err)

}

//the Error Message function:

function errorMsg(error)

{

txt="Input Error:\n\n";

txt+= error + "\n\n";

txt+="Click OK to continue..\n\n";

alert(txt);

}

This code works with the exception that in iBooks author the processed Error produces a Box with a Title like this:

"x-iBooks-th://6D8CF691-8F1B-4DCE-8828-ED2D7D24B544"

Input Error:

Input an Amount:

Click OK to continue..

Is there anyway within the jScript that you can either delete the title or change what is displayed?