function enter() {

		document.getElementById('loginarea_back').style.display="block";
		document.getElementById('loginarea').style.display="block";

}
function exitit() {
		document.getElementById('loginarea_back').style.display="none";
		document.getElementById('loginarea').style.display="none";
}

function error() {
		document.getElementById('error_back').style.display="block";
		document.getElementById('errorarea').style.display="block";
}
function closer() {
		document.getElementById('error_back').style.display="none";
		document.getElementById('errorarea').style.display="none";
}

function greeting() {
countdown('5');
document.getElementById('loginarea_back').style.display="block";
document.getElementById('greetingarea').style.display="block";


}

function greetingsubmit() {
		document.getElementById('loginarea_back').style.display="none";
		document.getElementById('greetingarea').style.display="none";
}

function countdown(sec) {
	if (sec>0) {
	 document.getElementById('timer').innerHTML="<b>"+sec+"</b>";
     sec=sec-1;}
     else {
     greetingsubmit();
     	}
     setTimeout('countdown(' + sec + ');', 1000);
}
function setperiod() {
	var mon = document.settings.month.value;
	var yer = document.settings.year.value;
	if ( mon < 10 ) {mon = "0"+mon};
	document.form.period.value = mon+"."+yer
}
function clearletter() {
	 var obj = document.regarea;
	 obj.fio.value="";
	 obj.email.value="";
	 obj.phone1.value="";
	 obj.phone2.value="";
	 obj.notice.value="";
}
function clearregistr() {
	 var obj = document.regarea;
	 obj.fio.value="";
	 obj.login.value="";
	 obj.city.value="";
	 obj.adres.value="";
	 obj.business.value="";
	 obj.company.value="";
	 obj.web.value="";
	 obj.email.value="";
	 obj.phone1.value="";
	 obj.phone2.value="";
	 obj.notice.value="";
}