function hide_obj_type(objType){
	for(var i=0;i<gmarkers.length;i++){
		if(gmarkers[i]['rodzaj']==objType){
			gmarkers[i]['marker'].hide();
			gmarkers[i]['visible']=false;
			gmarkers[i]['marker'].closeInfoWindow();
		}
	}
}

function show_obj_type(objType){
	for(var i=0;i<gmarkers.length;i++){
		if(gmarkers[i]['rodzaj']==objType){
			gmarkers[i]['marker'].show();
			gmarkers[i]['visible']=true;
		}
	}
}

function show_gmarkers(){
	var str="";
	for (var i=0;i<gmarkers.length;i++){
		str=str+"i: "+i+", id: " + gmarkers[i]['id'] + ", type: " + gmarkers[i]['rodzaj']+", visibility: "+gmarkers[i]['visible']+"\n";
	}
	alert("total " + gmarkers.length + "makers \n" + str);
}

function toggle_vis(togid){
	var togob=document.getElementById('zabytki_lp');
	var children=togob.childNodes;
	for(var i = 0; i < children.length; i++){
		if(children[i].nodeType!=1)
			continue;
		if(children[i].nodeName!='DIV')
			continue;
		if(children[i].id==togid){
			if(children[i].style.display=="none")
				children[i].style.display="inline";
			else
				children[i].style.display="none";
		}
	}
}