// Detect Mac Platform for css output
var agt=navigator.userAgent.toLowerCase();
var is_mac=(agt.indexOf("mac")!=-1);

// DEBUG Force Mac OS
//var is_mac=1;

if (is_mac) { document.write("<link rel='stylesheet' type='text/css' href='/code/zti_mac.css'>")
	// alert('MAC Style'); //DEBUG
	}else
	{	document.write("<link rel='stylesheet' type='text/css' href='/code/zti.css'>")
	 //alert('PC Style'); //DEBUG
	 }
function changeImages()
{
var argv;
argv = changeImages.arguments;
  if (document.images) {
    for (var i=0; i < changeImages.arguments.length; i+=2) {
	 argv[i].src = argv[i+1].src;
    }
  }
}

if (document.images){
  pnav1_on = new Image();
  pnav1_on.src = "/elements/nav/who_off.gif";
  
  pnav1_off = new Image();
  pnav1_off.src = "/elements/nav/who_off.gif";
  
  pnav2_on = new Image();
  pnav2_on.src = "/elements/nav/what_off.gif";
  
  pnav2_off = new Image();
  pnav2_off.src = "/elements/nav/what_off.gif";
  
  pnav3_on = new Image();
  pnav3_on.src = "/elements/nav/how_off.gif";
  
  pnav3_off = new Image();
  pnav3_off.src = "/elements/nav/how_off.gif";
  
  pnav4_on = new Image();
  pnav4_on.src = "/elements/nav/our_work_off.gif";
  
  pnav4_off = new Image();
  pnav4_off.src = "/elements/nav/our_work_off.gif";
  
  pnav5_on = new Image();
  pnav5_on.src = "/elements/nav/newzletter_on.gif";
  
  pnav5_off = new Image();
  pnav5_off.src = "/elements/nav/newzletter_off.gif";
  
  pnav6_on = new Image();
  pnav6_on.src = "/elements/nav/contact_off.gif";
  
  pnav6_off = new Image();
  pnav6_off.src = "/elements/nav/contact_off.gif";
  
  pnav7_on = new Image();
  pnav7_on.src = "/elements/nav/extranet_off.gif";
  
  pnav7_off = new Image();
  pnav7_off.src = "/elements/nav/extranet_off.gif";

  pnav8_on = new Image();
  pnav8_on.src = "/elements/nav/join_off.gif";
  
  pnav8_off = new Image();
  pnav8_off.src = "/elements/nav/join_off.gif";

	
}