$(document).ready(function() {
    Sys.Application.add_init(map_init);
});

function map_init() {
    var pgRegMgr = Sys.WebForms.PageRequestManager.getInstance();
    pgRegMgr.add_endRequest(afterAsyncPostBack);
}

function afterAsyncPostBack() {
    $("a[@rel='nofollow']").click(function()
    { window.open($(this).attr('href')); return false; }
		);

}