function MM_findObj(n, d) { //4.01
	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=MM_findObj(n,d.layers[i].document);
	if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function openCloseMenue(id_arrow, id_layer) {  
	var obj_layer=document.getElementById(id_layer);
	if (obj_layer.style.display == 'inline') {
		document.images[id_arrow].src = '/bsx_images/arrow-rit.png';
		showHideLayersD(id_layer,'','hide');
	} else { 
		document.images[id_arrow].src = '/bsx_images/arrow-btm.png';
		showHideLayersD(id_layer,'','show');
	} 
}

function showHideLayersD() { //3.0
	var i,p,v,obj,args=showHideLayersD.arguments;
	for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
		if (obj.style) { obj=obj.style; v=(v=='show')?'inline':(v='hide')?'none':v; }
		obj.display=v; }
}