Rocombo,
function showMoreInfo(event) {
var target = event.target,
creaionInfo = new InfoView,
infoTable = instStudList.getInfoForm();
if (target.tagName != "BUTTON") return;
var b = this.querySelectorAll("BUTTON");
for (var i = 0; i < b.length; i++)
if (b[i] == target) break;
creaionInfo.showTable([infoTable[i]])
};