display website selective portion in c# application

Question

Greetings,

Guys i want to make a speedtest application (web based) that when i run main  application it only display the following contents from speedtest.net website.

 

<div id="st-flash">
<div class="dfp-ab-leaderboard" id="dfp-ab-leaderboard"></div>
<object type="application/x-shockwave-flash" id="speedtest" name="speedtest" data="http://c.speedtest.net/flash/speedtest.swf?v=352081" width="728" height="450"><param name="bgcolor" value="#ffffff"><param name="quality" value="high"><param name="menu" value="false"><param name="allowScriptAccess" value="always"><param name="scale" value="default"><param name="salign" value="lt"><param name="wmode" value="transparent"><param name="flashvars" value="ad=banner&adurl=&showsurvey=1&threads=4&cdnconfig=prod&promo="></object>
<div id="speed" result_up="0" result_dn="0" result_png="0"></div>
<script type="text/javascript">
function test_completed(result_id) {
var social = document.getElementById('social_result_links');
if (social) {
social.style.display = "inline";
}
}
function promo_completed(download, upload, ping) {
}
function test_error() {
window.location.reload();
}
var flashvars = {
ad: "banner",
adurl: "",
showsurvey: "1",
threads: "4",
cdnconfig: "prod",
promo: ""
};
var params = {
bgcolor: "#ffffff",
quality: "high",
menu: "false",
allowScriptAccess: "always",
scale: 'default',
salign: 'lt',
wmode: 'transparent'
};
var attributes = {
id: 'speedtest',
name: 'speedtest'
};
if (swfobject.hasFlashPlayerVersion("10.0.0")) {
// User has flash
swfobject.embedSWF("http://c.speedtest.net/flash/speedtest.swf?v=352081", "flashcontent", "728", "450", "10.0.0", "flash/expressInstall.swf", flashvars, params, attributes);
//swfmacmousewheel.registerObject(attributes.id);
} else {
if ('true' === 'true') {
window.location="//beta.speedtest.net" + window.location.search;
}
// don't redirect again
else if ( window.location.search.indexOf("noflash=1") == -1) {
// User does not have flash
window.location="/?noflash=1";
}
}
</script>
<div class="ad-eot" id="ad-eot"></div>
<div class="dfp-eot-large" id="dfp-eot-large"></div>
<div class="search-eot" id="search-eot">
<div class="search-eot-search">
<h3>Search for More Speed</h3>
<!-- adsense search -->
<form action="http://www.google.com/cse" id="cse-search-box" target="_blank">
<div>
<input type="hidden" name="cx" value="partner-pub-1273248303616359:2003744413">
<input type="hidden" name="ie" value="UTF-8">
<input type="text" id="search-eot-input" name="q" size="55" style="border: 1px solid #7e9db9; padding: 2px; background: url("https://www.google.com/cse/static/en/google_custom_search_watermark.gif") left center no-repeat #ffffff;">
<input type="submit" name="sa" value="Search">
</div>
<input name="siteurl" type="hidden" value="www.speedtest.net/"><input name="ref" type="hidden" value=""><input name="ss" type="hidden" value=""></form>
<script type="text/javascript" src="http://www.google.com/coop/cse/brand?form=cse-search-box&lang=en"></script>
<!-- end adsense search -->
</div>
<div class="search-eot-ad" id="search-eot-ad">
<!-- 350x40 ad -->
</div>
</div>
<div class="search-eot" id="bbsearch-eot">
<div class="search-eot-search">
</div>
</div>
<div class="search-eot" id="ybn-search-eot">
<!-- 350x125 ad -->
</div>
<div class="dfp-eot-small" id="dfp-eot-small"></div>
<div class="in-test-ad"><a><img></a></div>
<div class="dfp-in-test-ad"></div>
<div class="search-eot" id="eot-ad-native"><a><img></a></div>
</div>