var agt = navigator.userAgent.toLowerCase();
var is_ie = (agt.indexOf("msie") != -1);
var is_ie5 = (agt.indexOf("msie 5") != -1);
var cp1 = new cpaint();
var fu = link + 'ajax/signup.php';
cp1.set_transfer_mode('post');
cp1.set_response_type('text');
//cp1.set_debug(true);

function chUser(user)
{
	$('pr').innerHTML= "<img src='http://images.naseeb.com/images/workingsmall.gif' height=12 width=12>";
	cp1.call(fu, 'chUser', _chUser, user);
}
function _chUser(result)
{
	$('pr').innerHTML= "";
	$('pr1').innerHTML= result;
}