Custom Search in Masterpage (sharepoint)

1.Place following code in masterpage at the place of Search control

<div id="divtoload">

<input type="text" id="txtKeyword"/><input type="button" onClick="parent.location=searchfn()" style="width:30px !important; height:20px; background: url(/sites/dms/Style%20Library/Images/nd_magglasssearch.png)" />

</div>

2. place script on head tag of master page:

Here: site: "http://spserver:1234"

<script type="text/javascript">

function searchfn()

{

var ss = document.getElementById("txtKeyword").value;

if(ss =='')

{

alert('Plese enter search keyword');

return window.location;

}

else

{

var url = "http://spserver:1234/sites/search/results.aspx?k="

var url1 = url.concat(ss);

return url1;

}

}

</script>​