function change_panel(to){
	if(to==="domain"){
		document.getElementById("paneluser").style.display="none";
		document.getElementById("paneldomain").style.display="block";
	}else{
		document.getElementById("paneluser").style.display="block";
		document.getElementById("paneldomain").style.display="none";	
	}
}
function showTarifOptions(){
	if(document.getElementById("TarifsOptions").style.display=="none"){
		document.getElementById("TarifsOptions").style.display="";
		document.getElementById("optionslink").innerHTML ="Скрыть опции тарифных планов";
	}else{
		document.getElementById("TarifsOptions").style.display="none";	
		document.getElementById("optionslink").innerHTML ="Показать опции тарифных планов";
	}
}
function checkall(f){
for(var i=0;i<f.elements.length;i++){
	var el=f.elements[i];
	var zone=el.name.substring(0,4);
	if(zone=='zone'&&!el.disabled)el.checked=f.allzones.checked;
	}
}