Fire .net Event From Jquery?

I have an image on my page than can be changed from a fileupload asp.net control on the page, i want to provide and alternative to clicking the button by allowing the user to click their image. i gave the fileupload a class 'jqueryPhotoUploadTrigger' and it renders like this:

<input type="file" name="ctl00$ctl00$ctl00$ContentPlaceHolderDefault$C2kMasterPlaceholder$ucEditDetails_20$photoupload" id="ctl00_ctl00_ctl00_ContentPlaceHolderDefault_C2kMasterPlaceholder_ucEditDetails_20_photoupload" class="jqueryPhotoUploadTrigger" />

i then have jquery script at the bottom:

$(document).ready(function() {
$("#clickMyColl").click(function () {
alert("image has been clicked");
$('.jqueryPhotoUploadTrigger').click();
});
});

the alert does show so i know the script is firing when i click the image. i was just hoping the .click would fire the event on the button but it didnt. can i do it this way or must i find an alternative?