var browsing = 0;
var lastPath = "/eve/sisi/listing.xml";
var searchPath = "/eve/data/searchSisi.html";

function browse() {
  if (browsing == 0) {
    var browseTab = document.getElementById("browseTab");
    var searchTab = document.getElementById("searchTab");
    browseTab.className = "b";
    searchTab.className = "s";
    document.getElementById("left").src = lastPath;
    browsing = 1;
  }
}
function search() {
  if (browsing == 1) {
    var browseTab = document.getElementById("browseTab");
    var searchTab = document.getElementById("searchTab");
    browseTab.className = "s";
    searchTab.className = "b";
    lastPath = document.getElementById("left").src;
    document.getElementById("left").src = searchPath;
    browsing = 0;
  }
}