function callForCaptcha(id, element_id){
	var session_field = document.getElementById("session_field");
	var url ="/cgibin/capcha.php?ID="+id+"&"+session_field.name+"="+session_field.value;
	document.getElementById(element_id).src = url;
}

function regenerateImg(id, element_id){
	var r = Math.floor(Math.random()*10000);
	var session_field = document.getElementById("session_field");
	var url ="/cgibin/capcha.php?ID="+id+"&"+session_field.name+"="+session_field.value+"&r="+r;
	document.getElementById(element_id).src = url;
	return true;
}