//  =============================== New captcha image ===============================

var page = 0 ;

function SetCaptcha( id )
{
	var pagename = "/Image.aspx?captcha=" + page++;
	
	var captcha_container = document.getElementById(id);
	var captcha_image = document.getElementById('captchaimage');

	if ( captcha_image != null )
		captcha_container.removeChild(captcha_image);

	var captcha = document.createElement("img");
	captcha.setAttribute("id", "captchaimage");
	captcha.setAttribute("src", pagename );
	captcha.setAttribute("alt", "Captcha");
	captcha.setAttribute("title", "Verification code");
	
	captcha_container.appendChild( captcha ) ;
}