step = 10
height = 200
y1 = y2 = height/2

function curtainOn() {

if (Opera) document.getElementById("window").style.display = "block"

if (y1 > 0) {

y1 -= step
y2 += step
clip = y1 + " auto " + y2 + " auto"

document.getElementById("window").style.clip = "rect(" + clip + ")"
setTimeout("curtainOn()", 30)
}

}

function curtainOff() {

if (y2 > (height/2)) {

y1 += step
y2 -= step
clip = y1 + " auto " + y2 + " auto"

document.getElementById("window").style.clip = "rect(" + clip + ")"
setTimeout("curtainOff()", 30)
}
else if (Opera) document.getElementById("window").style.display = "none"

}

Opera = document.getElementById && window.opera
if (Opera) document.getElementById("window").style.display = "none"

function enter()
{
	if(!document.forms[0].login.value){ alert("Введите логин!"); document.forms[0].login.focus(); return; }
	if(!document.forms[0].pass.value){ alert("Введите пароль"); document.forms[0].pass.focus(); return; }
	//document.forms[0].action="/";
	document.forms[0].submit();
}

function sendPass()
{
	if(!document.forms[0].login.value){ alert("Введите логинl!"); document.forms[0].login.focus(); return; }
	document.forms[0].sendpass.value="1";
	document.forms[0].action="/registration/";
	document.forms[0].submit();
}

function Reg()
{
	document.forms[0].reg.value="1";
	document.forms[0].action="/registration/";
	document.forms[0].submit();
}

function enter2()
{
	if(!document.forms[1].f.value){ alert("Введите email!"); document.forms[1].f.focus(); return; }
	if(!document.forms[1].name.value){ alert("Введите email!"); document.forms[1].name.focus(); return; }
	if(!document.forms[1].o.value){ alert("Введите email!"); document.forms[1].o.focus(); return; }
	if(!document.forms[1].email.value){ alert("Введите email!"); document.forms[1].email.focus(); return; }
	if(!document.forms[1].login.value){ alert("Введите логин!"); document.forms[1].login.focus(); return; }
	if(!document.forms[1].pass.value){ alert("Введите пароль"); document.forms[1].pass.focus(); return; }
	if(!document.forms[1].pass2.value){ alert("Повторите пароль"); document.forms[1].pass2.focus(); return; }
	if(document.forms[1].pass.value != document.forms[1].pass2.value) { alert("Пароли не совпадают"); document.forms[1].pass2.focus(); return; }
	document.forms[1].action="/registration/";
	document.forms[1].submit();
}