function changeClass(obj, className) { 
	obj.className = className;
}

function changeClassById(id1, id2, className1, className2) { 
	obj1 = document.getElementById(id1);
	obj2 = document.getElementById(id2);
	obj1.className = className1;
	obj2.className = className2;
}

function changeTheme(lblId) {
	var lblObj = document.getElementById(lblId);
	lblObj.innerHTML = '<span class="themewait">[attendere...]</span>';
	document.body.style.cursor = "wait";
	ap_showWaitMessage("waitDiv", 1);
	document.forms['view_map'].submit();
}

function selectAllSubmit(select, num) {
	var elem;
	var value = true;
	if (select == 0) value = false;
	for (i=1; i<=num; i++) {
		elem = document.getElementById('chk_imp_'+i);
		elem.checked = value;
	}
	document.forms['view_map'].submit();
}

function openHelp(helpNumber) {
	var height = 400;
	switch (helpNumber) {
		case 1: // impianti
			url = "help_impianti.asp";
			break;
		case 2: // misure puntuali
			url = "help_misure_puntuali.asp";
			break;
		case 3: // misure in continuo
			url = "help_misure_continuo.asp";
			height = 450;
			break;
		case 4: // elenco impianti in zona
			url ="help_elenco_impianti.asp";
			height = 200;
			break;
		case 5: // conteggio impianti in zona
			url ="help_numero_impianti.asp";
			height = 200;
			break;
		case 6: // conteggio misure puntuali in zona
			url ="help_numero_misure.asp";
			height = 180;
			break;
		case 7: // glossario tecnologie autorizzate
			url ="help_tecnologie.asp";
			height = 350;			
			break;			
		case 8: // glossario elettrodotti
			url ="help_elettrodotti.asp";
			height = 350;			
			break;				
	}
	window.open(url,"","resizable,toolbar=no,scrollbars=yes,width=495,height="+height);
}

function openwindow(url,name,width,height) {
	params = "width="+width+",height="+height+",scrollbars=0,resizable=0,toolbar=0";
	openedWin = window.open(url,name,params);
	openedWin.focus();
	setTimeout("openedWin.focus()",1000);
}