How to check a file's existence in phone directory with phonegap

Question

I\'m writing an Android application with Phonegap 1.4.1 and Sencha that downloads and reads pdf files. How can I check whether the file exists in the phone directory using e

Answer 1

Darkaico, Kurt and thomas answers didn't work for me. Here's what worked for me.

$.ajax({
url:'file///sdcard/myfile.txt',
type:'HEAD',
error: function()
{
    //file not exists
alert('file does not exist');
},
success: function()
{
    //file exists
alert('the file is here');
}
});