web2pyslices - Add confirmation to form submit

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Add confirmation to form submit
by mr.freeze on 2009-11-23	Category: Javascript	Tags: form submit confirm
Notes: This is an easy way to add a confirmation dialog during a form submit

Simply do this:

def delete_something():
    form = SQLFORM.factory(Field('delete','boolean'))
    btn = form.element("input",_type="submit")
    btn["_onclick"] = "return confirm('Are you sure?');"

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