function captchaCheck()
	{
		$("#errCaptcha").removeClass().addClass('messagebox').text('Validating....').fadeIn(1000);
		$.post("captcha_verify.php",{ challenge:$('#recaptcha_challenge_field').val(), response:$('#recaptcha_response_field').val() } ,function(data) {
		 
			if(data=='yes') {
				$("#errCaptcha").fadeTo(200,0.1,function() { $(this).html('Submitting...').addClass('messageboxok').fadeTo(900,1);
						$('form#mainform').submit();
					});	
		  	}
		  	else 
		  {
		  	$("#errCaptcha").fadeTo(200,0.1,function() { $(this).html('Invalid entry. Please try again!').addClass('messageboxerror').fadeTo(900,1);
		  		javascript:Recaptcha.reload ();
		  		}	 );						
		  }

		});
	}