function switch_promo(objId) {
	var obj = document.getElementById(objId);
	var targ = obj.parentNode;
	var box = targ.id;
	promos = document.getElementById("HomepagePromos").getElementsByTagName('div');
	for(var i=0; i<promos.length; i++){
		promos_item = promos[i];
		if (promos_item.style.display == 'block') {
			promos_item.style.display = 'none';
			}
		}
	obj.style.display = 'block';
	if (obj.style.display = 'none')
	{
		obj.style.display = 'block';
	}
	else {
		obj.style.display = 'none';
	}
}
function set_Current(name) {
	var linkloc = name.parentNode;
	var linkbox = linkloc.id;
	promolink = document.getElementById("promolinks").getElementsByTagName('li');
	for(var i=0; i<promolink.length; i++){
		promo_link = promolink[i];
		if (promo_link.className == "current") {
			promo_link.className = "";
			}
	}
	name.className = "current";
	}

function showFilter(objId) {
	var obj = document.getElementById(objId);
	obj.style.display='block';
}

function hideFilter(objId) {
	var obj = document.getElementById(objId);
	obj.style.display='none';
}
function switch_Filters(objId) {
	var obj = document.getElementById(objId);
	var targ = obj.parentNode;
	var box = targ.id;
	filters = document.getElementById("Filterbox").getElementsByTagName('div');
	for(var i=0; i<filters.length; i++){
		filters_item = filters[i];
		if (filters_item.style.display == 'block') {
			filters_item.style.display = 'none';
			}
		}
	obj.style.display = 'block';
	if (obj.style.display = 'none')
	{
		obj.style.display = 'block';
	}
	else {
		obj.style.display = 'none';
	}
}

function hideall_Filters() {
	filters = document.getElementById("Filterbox").getElementsByTagName('div');
	for(var i=0; i<filters.length; i++){
		filters_item = filters[i];
		if (filters_item.style.display == 'block') {
			filters_item.style.display = 'none';
			}
		}
	}

function popup(fileName, ww, wh) {
	var x = (screen.width-ww)/2;
	var y = (screen.height-wh)/2;
	OpenWin = this.open(fileName, "CtrlWindow", "width="+ww+", height="+wh+" toolbar=no,menubar=no,location=no,scrollbars=yes,resizable=yes, screenX="+x+", screenY="+y+", left="+x+", top="+y);
}

// Listing togglers
function showIt(obj) {
	var el = document.getElementById(obj);
	el.style.display = 'block';
	el.style.zIndex = '1000';
}
function hideIt(obj) {
	var el = document.getElementById(obj);
	el.style.display = 'none';
}

// Alternate stylesheet switcher
// -----------------------------

function setActiveStyleSheet(title) {
  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;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

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;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);