.eot font is not working in IE8 -

.eot font is not working in IE8 -

@font-face { font-family:"helveticaneueltstd-th"; src: url("includes/helveticaneueltstd-th.eot") format("truetype"); } @font-face { font-family:"helveticaneueltstd-thex"; src: url("includes/helveticaneueltstd-thex.eot") format("truetype"); } @font-face { font-family: 'helveticaneueltstd-bdcn'; src: url('includes/helveticaneueltstd-bdcn.eot') format('embedded-opentype'); font-weight: normal; font-style: normal; }

this css adding font in .eot format still not working on ie8. checked http://www.queness.com/post/14873/19-most-useful-font-face-generators-for-converting-fonts-to-web-safe-fonts on link.there lots of code generators not single working . plzz help

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