bla.js

algo.append($("<div>").attr("class", "people-panel-item-table-row-cell")
                      .append($("<div>").attr("class","info-header-name")
                                        .attr("id", "info-header-name-" + item.index)
                                        .html(item.contact.displayName()))

bla2.js

var infoHeader = $("<div>").attr("class","info-header-name")
                           .attr("id", "info-header-name-" + item.index)
                           .html(item.contact.displayName();

var peoplePanel = $("<div>").attr("class", "people-panel-item-table-row-cell");

peoplePanel.append(infoHeader);

algo.append(peoplePanel);