function _(_id){
	if(document.getElementById && document.getElementById(_id)) return document.getElementById(_id);
	else return null;
}


function addEvent(parent, ev, func){
	if (parent.attachEvent) parent.attachEvent('on'+ev, func);
	else parent.addEventListener(ev, func, true);
}


function init_mail(id){
	var mail=_(id).title+"@"+_(id).lang;
	_(id).href="mailto:"+mail;
	_(id).innerHTML=mail;
	_(id).title="";
}