//browsers 
  var ie,ns,opera,other,mac,pc,otherSystem; 
  var browName = (navigator.appName);
  var systemName = (parseFloat(navigator.appVersion));
  var LayerOpen=0; 
  var LayerTop,LayerLeft;
	var layersSupport = (document.layers!=null)

 //Checks which browser 
  if(browName=='Microsoft Internet Explorer'){
    ie = 1;
  }else if(browName=='Netscape') {
    ns = 1;
  }else if(browName=='Opera'){
    other = 1;
  }
  if((navigator.appVersion.indexOf("Win") != -1)){
  	win = 1;
  }else if((navigator.appVersion.indexOf("Mac") != -1)){
  	mac = 1;
  }else{
  	otherSystem = 1;
  }
if(ns && !mac) {
document.write('<link rel="STYLESHEET" type="text/css" href="css/NsPc.css">');
}
if(ns && mac) {
document.write('<link rel="STYLESHEET" type="text/css" href="css/NsMac.css">');
}
if(ie && !mac) {
document.write('<link rel="STYLESHEET" type="text/css" href="css/IePc.css">');
}
if(ie && mac) {
document.write('<link rel="STYLESHEET" type="text/css" href="css/IeMac.css">');
}

// Work-around Netscape resize bug so no refresh looping
if (layersSupport)
    setTimeout('window.onresize=doResize',500)
		
function doResize() {
    location.reload()
  }