function qwerty() {
var s = "c245o52n425t42a425c45255t@v658s58e58o58c58h58e5468h58i58i58.r58u";
var reg=/\d/g;
var s1 = s.replace(reg,"");
document.write("<a href=\"mailto:"+s1+"\">"+s1+"</a>");
}