function mailto(id,domain,msg,img){
	mail=id+"@"+domain;
	str="<a href=\"mailto:"+mail+"\">";
	if(msg==""){
		str+=mail;
	}else{
		str+=msg;
	}
	if(img==1){str+="<img src=\"hiro/img/mail.gif\" alt=\"ƒ��[ƒ‹\" border=\"0\" align=bottom>";}
	str+="</a>";
	document.write(str);
}