function find_objects(n)
{ 
	var x;	

	if (!(x= document[n]) && document.all) x= document.all[n]; 
	if (!x && document.getElementById) x= document.getElementById(n); 
	
	return x;
}

function i_show_layers() 
{
	var args= i_show_layers.arguments;
	var i, v, obj;
	
	for (i= 0; i< (args.length-1); i+= 2)
		if ((obj= find_objects(args[i]))!= null) 
		{ 
			v= args[i+1];
			if (obj.style) v= ((v==1)? 'visible':(v==0)? 'hidden': v);
			if (obj.style.visibility!= v) obj.style.visibility= v;
			//if (typeof(document.all['PmangTopAD'])!= 'undefined')
			//	document.all['PmangTopAD'].style.clip= 'rect('+ (v=='visible'? 140: 'auto') + ' auto auto auto)';
		}
}