function UnCryptMailto(s, shift) {
	var n=0;
	var r="";
	for(var i=0;i<s.length;i++) { 
		n=s.charCodeAt(i); 
		if (n>=8364) {n = 128;}
		r += String.fromCharCode(n-(shift)); 
	}
	return r;
}

function uncryptmail(s, shift)	{
	location.href=UnCryptMailto(s, shift);
}

function clean_field (id, name)
{
	if ($(id).value == name) {
		$(id).value = '';
	}
}