function MM_showHideLayers() { //v2.0
  var i, visStr, args, theObj;
  args = MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) { //with arg triples (objNS,objIE,visStr)
    visStr   = args[i+2];
    if (navigator.appName == 'Netscape' && document.layers != null) {
      theObj = eval(args[i]);
      if (theObj) theObj.visibility = visStr;
    } else if (document.all != null) { //IE
      if (visStr == 'show') visStr = 'visible'; //convert vals
      if (visStr == 'hide') visStr = 'hidden';
      theObj = eval(args[i+1]);
      if (theObj) theObj.style.visibility = visStr;
  } }
}

//Coloured mouseovers on top horizontal nav
function colorOnChannel(id) {
	if (id.className=='nav'){
		id.className='navon';
		id.style.cursor='hand';
	}
	else if (id.className=='navon'){
		id.className='nav';
		id.style.cursor='hand';
	}
}

function colorOffChannel(id){
	if (id.className=='navon'){
		id.className='nav';
	}
	else if (id.className=='nav'){
		id.className='navon';
	}
}

function jump(id) {
	var html = id.innerHTML;
	if(html.match(/href="([^"]+)"/)) {
		var url = RegExp.$1;
		window.location.href=url;
		id.style.cursor='hand';
	}
}