function clearSearchBox ( ele ) {
  if (ele.cnt == null || ele.cnt == 0) {
    ele.value = "";
    ele.cnt = 1;
  }
}

function showImg ( imgName, val ) {
  imgSrc = '/image/nav/'+ imgName + val+'.gif';
  eval('document.' + imgName + '.src = "' + imgSrc + '"');
}

function setActiveStyleSheet(title, reset) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
  if (reset == 1) {
    createCookie("wstyle", title, 365);
  }
}

function setStyle() {
  var style = readCookie("wstyle");
  if (style != null) {
    setActiveStyleSheet(style, 0);
  }
}

// ----------------------------------------------

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = ";expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+";;path=/;";
}

// ----------------------------------------------

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}


function checkSearch() {
  dsk = document.searchForm.keyword;
  if (dsk.value=="" || !dsk.cnt) {
    alert("Please enter a search keyword.");
    return false;
  }
  return true;
}

function openLink() {
  newWindow = window.open("","extPage", "");
  newWindow.focus();
}