function clk(el) {
	if(document.images)
		{
		TrackImg = new Image();
		TrackImg.src="http://activenews.aperion.it/click.asp?idaz=271&URL="+escape(el.href);
		}
		return true;
	}


function apri(url, w, h) {
 
 newWin = window.open(url,'newWindow','width='+w+',height='+h+',scrollbars=yes');
 newWin.focus();
}
function toggleLayer(whichLayer)
{
if (document.getElementById)
{
	// this is the way the standards work
	var style2 = document.getElementById(whichLayer).style;
	style2.display = (style2.display=="block") ? "none" : "block";
}
else if (document.all)
{
	// this is the way old msie versions work
	var style2 = document.all[whichLayer].style;
	style2.display = style2.display? "":"block";
}
else if (document.layers)
{
	// this is the way nn4 works
	var style2 = document.layers[whichLayer].style;
	style2.display = style2.display? "":"block";
}
}


function check_controls() {

	if (document.control_form.swimming.checked)
		return true;
	if (document.control_form.serv_4.checked)
		return true;
	if (document.control_form.serv_13.checked)
		return true;
	if (document.control_form.serv_5.checked)
		return true;
	if (document.control_form.serv_19.checked)
		return true;
	//if (document.control_form.aziende_serv_18.checked)
	//	return true;

return false;
}


function set_search_form() {
	if (document.control_form.text_key.value!='') {
		document.form_keyword.text_key.value = document.control_form.text_key.value;
		document.form_keyword.submit();
	} else {
		if (document.control_form.typology.selectedIndex==0 && document.control_form.zone.selectedIndex==0 && !check_controls(document.control_form)) {
			alert("Please enter at least one parameter");
		} else {
			document.form_aziende.typology.value = document.control_form.typology.options[document.control_form.typology.selectedIndex].value;
			document.form_aziende.zone.value = document.control_form.zone.options[document.control_form.zone.selectedIndex].value;
			if (document.control_form.swimming.checked) {
				document.form_aziende.serv_1.value = "1"; 
				document.form_aziende.serv_2.value = "2";
			}
			document.form_aziende.serv_4.value = (document.control_form.serv_4.checked)?"4":"";
			document.form_aziende.serv_13.value = (document.control_form.serv_13.checked)?"13":"";
			document.form_aziende.serv_5.value = (document.control_form.serv_5.checked)?"5":"";
			document.form_aziende.serv_19.value = (document.control_form.serv_19.checked)?"19":"";
			//document.form_aziende.serv_18.value = (document.control_form.serv_18.checked)?"18":"";
			document.form_aziende.submit();
		}
	}
}

function toggle_areas() {

	div_main_areas = document.getElementById("main_areas");
	div_all_areas  = document.getElementById("all_areas");
	div_ctrl       = document.getElementById("expand-link");
	
	if (div_all_areas.style.display == 'none') {
		div_main_areas.style.display = 'none';
		div_all_areas.style.display = 'block';
		div_ctrl.innerHTML = 'click for main areas ▲';
	} else {
		div_main_areas.style.display = 'block';
		div_all_areas.style.display = 'none';
		div_ctrl.innerHTML = 'click for all areas ▼';
	}

}


function show_detail(div) {

	div_detailedmap = document.getElementById('detail_detailedmap');
	div_photogallery = document.getElementById('detail_photogallery');
	div_askforinformation = document.getElementById('detail_askforinformation');

	/*
	div_detailedmap.style.display = 'none';
	div_photogallery.style.display = 'none';
	div_askforinformation.style.display = 'none';
	
	eval("div_"+div+".style.display = 'block'");
	*/

}