// JavaScript Document
function ham_loc_dau(str){
from="àáạảãâầấậẩẫăằắặẳẵèéẹẻẽêềếệểễìíịỉĩòóọỏõôồốộổỗơờớợởỡùúụủũưừứựửữỳýỵỷỹđÀÁẠẢÃÂẦẤẬẨẪĂẰẮẶẲẴÈÉẸẺẼÊỀẾỆỂỄÌÍỊỈĨÒÓỌỎÕÔỒỐỘỔỖƠỜỚỢỞỠÙÚỤỦŨƯỪỨỰỬỮỲÝỴỶỸĐ ";

to="aaaaaaaaaaaaaaaaaeeeeeeeeeeeiiiiiooooooooooooooooouuuuuuuuuuuyyyyydAAAAAAAAAAAAAAAAAEEEEEEEEEEEIIIIIOOOOOOOOOOOOOOOOOUUUUUUUUUUUYYYYYD_";
	for (var i = 0, l = from.length; i < l; i++) {
        str = str.replace(new RegExp(from.charAt(i), 'g'), to.charAt(i));
    }
    return str.replace('amp;','');
}