var zahl = String(Math.round(Math.random()*99999));

function writeSecTextfield(filedClass)
{
	document.write("<br><input type='text' name='secEnteredNumber' maxlength='5' class='" + filedClass + "'>");	
}

function writeSecNumber()
{
	document.write("<input type='hidden' name='secNumber' value='" + zahl + "'>");
	for (i=0; i < zahl.length; i++)
	{
	    document.write("<img src='http://www.easytool.ch/feedback/image/" + zahl.substr(i,1) + ".gif' border='0'>");
	}	
}