//browsers 

  var ie,ns,opera,other,mac,pc,otherSystem,ns_browser_version,ns_version_number,ns6; 

  var browName = (navigator.appName);

  var systemName = (parseFloat(navigator.appVersion));

  var LayerOpen=0; 

  var LayerTop,LayerLeft;

 //Checks which browser 

  if(browName=='Microsoft Internet Explorer'){

    ie = 1;

  }else if(browName=='Netscape') {

    ns = 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/NsMac.css">');

}

if(ie && mac) {

document.write('<link rel="STYLESHEET" type="text/css" href="/css/IeMac.css">');

}

if(ns && win) {

document.write('<link rel="STYLESHEET" type="text/css" href="/css/NsPc.css">');

}

else {

document.write('<link rel="STYLESHEET" type="text/css" href="/css/IePc.css">');

}