function findlayer(n, d) 
{ //v3.0
	var p,i,x;  
	if(!d) d=document; 
	if((p=n.indexOf("?"))>0&&parent.frames.length) 
		{
		d=parent.frames[n.substring(p+1)].document;
		n=n.substring(0,p);
		}
	if(!(x=d[n])&&d.all) x=d.all[n];
	for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findlayer(n,d.layers[i].document);
	return x;
}
function layerViewer() 
{ //v3.0
	var i,p,v,obj,args=layerViewer.arguments;
	for (i=0; i<(args.length-2); i+=3) 
	if ((obj=findlayer(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; } obj.visibility=v; }
}
var ns = (document.layers) ? 1:0;
var ie = (document.all) ? 1:0;
var bVersion=parseInt(navigator.appVersion)
var bType;

if (bVersion>=4) {
	if (navigator.platform.indexOf('Mac') > -1) {
		//mac
		if (navigator.appName.indexOf('Microsoft') > -1) { bType="bot_frame" } // explorer mac
		if (navigator.appName.indexOf('Netscape') > -1) { bType="bot_frame_NN" } //netscape mac
	} else {
		//windows or unix
		if (navigator.appName.indexOf('Microsoft') > -1) { bType="bot_frame" } // explorer win
		if (navigator.appName.indexOf('Netscape') > -1) { bType="bot_frame_NN" } // netscape win
	}
	document.write('<link rel=stylesheet type="text/css" href="/style/'+bType+'.css">');
}