function obfEml(adr)
{
	var str=adr;
	var reg_junk="|";
	var reg_gav=/~/;
	var reg_dot=/[%]/;
	var result1=str.replace(reg_gav, "@");
	var result2=result1.replace(reg_dot, ".");
	var result3=result2.replace(reg_junk, "");
	var mail = result3.substring(3);
	return mail;
}

function btmEml()
{
	var mail = "blampc~dar|khost%ru";	
	document.write ('<a class=sml href="mailto:'+obfEml(mail)+'"><u>YDY</u></a>');
}