ns4 = document.layers;

if (!ns4) {
	if (WM_readCookie('siteStyle') == 'accessible') {
		changeStyles(1);
	}
	else {
		accessibleSheet = document.getElementById('accessible');
		accessibleSheet.disabled = true;
	}
}

function changeStyles(swx) {
  if (ns4) {
alert ("Sorry, but NS4 does not allow us to change styles.");
     return false;
  }
  else {
  	if(swx){
	     defaultSheet = document.getElementById('default');
	     defaultSheet.disabled = true;
	
	     newSheet = document.getElementById('accessible');
	     newSheet.disabled = false;
		 WM_setCookie('siteStyle','accessible',17520);
	}
  	else{
	     defaultSheet = document.getElementById('default');
	     defaultSheet.disabled = false;
	
	     newSheet = document.getElementById('accessible');
	     newSheet.disabled = true;
		 WM_setCookie('siteStyle','default',17520);
	}
  }

  return true;
}