Reviewed by Darin.

        - changes for http://bugs.webkit.org/show_bug.cgi?id=11078
          Forms Don't Submit (ASP Pages)

JavaScriptCore:
        * JavaScriptCore.exp:
        * kjs/value.cpp:
        (KJS::JSValue::toInt32): Folded toInt32Inline into this method, which was its
        only caller.
        (KJS::JSValue::toUInt32): Added a variant that reports if the conversion has
        succeeded.
        * kjs/value.h:

WebCore:
        * bindings/js/kjs_html.cpp:
        (KJS::JSHTMLCollectionProtoFunc::callAsFunction): Changed item() to fall back
        to namedItem() if its argument does not convert to a number.

LayoutTests:
        * fast/dom/collection-namedItem-via-item-expected.txt: Added.
        * fast/dom/collection-namedItem-via-item.html: Added.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@18715 268f45cc-cd09-0410-ab3c-d52691b4dbfc