<input type="submit" value="Submit" />

<form action="savedata.aspx" method="post">
<p>First name: <input type="text" name="fname" /></p>
<p>Last name: <input type="text" name="lname" /></p>
<input type="submit" value="Submit" />
</form>

function QueryString(name )
{
var sURL = window.location.search
var re = new RegExp("" +name+ "=([^&?]+)", "ig");
var result= re.exec(sURL);
if(result)
{
var temp= result[0].split('=');
return temp[1] ;
}
else
{
return "";
}
}