var bvidress = 'bvi_at_hbmgroup_dot_com';
function get_bvidress(){
var re= /_at_/gi;
bvidress = bvidress.replace(re,'@');
var re= /_dot_/gi;
bvidress = bvidress.replace(re,'.');
var the_link="mai" + "lto" +":"+bvidress+"?subject=My question/remark is:" ;
window.location=the_link;

}