Can I use a inputHidden for javascript values that doesn't set the value?

I have a hiddenInput field for each row in a datatable so I can restore default values to a date field with a javascript function. I am getting conversion errors because I don't have the right setters in the backing object - and I really don't want to put them there - but I don't want the tag to set the values! Is there any way to just set a hidden value somewhere for each row of a datatable but not have it try to set the value? Thanks in advance!

I just realised that won't work because all the HTML tags will have the same name, whereas I need the dynamically generated suffix that a dataTable assigns to every element in the row i.e. '_id34', so I can reference the value in the javascript and compare it to entered values. Any more ideas? I am having huge memory problems when I'm submitting my form too, using up 2GB of mem and then dying! I'm not sure what's causing it, because it doesn't get as far as my action method code before it dies! It works for smaller tables but I need to be able to handle ~20 users with tables 4x the size I can process now without running out of memory :( Any help would be really really appreciated!!

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