//------------------------------------------------------------------------------
function myGetElById(el) {
	if (document.all) {navigator.family = "ie4"}
	if (window.navigator.userAgent.toLowerCase().match(/gecko/)) {navigator.family = "gecko"}
	if (window.navigator.userAgent.toLowerCase().indexOf('opera') != -1) {navigator.family	= 'opera';}
	if (navigator.family == "ie4")
	{
		return document.all[el];
	}
	if (navigator.family == "opera" || navigator.family == "gecko")
 	{
 		return document.getElementById(el);
	}
}
//------------------------------------------------------------------------------
function newsletter(arg) {
	document.n.newsletter.value= arg;
	if(arg=="add"){
		komunikat = " DODANY";
	}else{
		komunikat = " USUNIĘTY";
	}
	alert("email: "+document.n.email.value+" został "+komunikat);
	
	document.n.submit();
}
//------------------------------------------------------------------------------
function show(obj) {
	myGetElById(obj).style.visibility = "visible";
}
function hide(obj) {
	myGetElById(obj).style.visibility = "hidden";
}
function display(obj, mode) {
	myGetElById(obj).style.display = mode;
}
//------------------------------------------------------------------------------
/* zaparemtryzowane funkcje focus i focu_z skasowane W i w_z */
var myWindow=null;
function openWindow(arg1, arg2) {
	myWindow = window.open(arg1, "tinzWindow", 'scrollbars=no,width='+arg2+',height=575,titlebar=no,top=170,left=200');
	if (myWindow.focus && !myWindow.closed) myWindow.focus();
}
function openWindow2(arg1, arg2, arg3) {
	myWindow = window.open(arg1, "tinzWindow", 'scrollbars=no,width='+arg2+',height='+arg3+',titlebar=no,top=170,left=200');
	if (myWindow.focus && !myWindow.closed) myWindow.focus();
}