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;
}
var screenW = 640, screenH = 480;
if (parseInt(navigator.appVersion)>3) {
	screenW = screen.width;
	screenH = screen.height;
}else if (navigator.appName == "Netscape" && parseInt(navigator.appVersion)==3	&& navigator.javaEnabled()){
	var jToolkit = java.awt.Toolkit.getDefaultToolkit();
	var jScreenSize = jToolkit.getScreenSize();
	screenW = jScreenSize.width;
	screenH = jScreenSize.height;
}
if(screenW>1024){setActiveStyleSheet('expanded')}
function handleError(){return true}
window.onerror=handleError;
function SwitchMenu(obj){
	var el = document.getElementById(obj);
	var ar = document.getElementById("menu").getElementsByTagName("div");
	document.getElementById("oplink").style.display = "inline";
	for (var i=0; i<5; i++){
		if (ar[i] != el){
		ar[i].style.display = "none";
		}else{
		el.style.display = "block";
		}
	}
	//if(obj=='sub4'){Effects.SlideUp(obj)}
}