var winesystem

//Teodori Giancarlo 15/11/03
//modifica per la gestione della finestra eventualmente già aperta

function login(){
	if(winesystem){
		if (!winesystem.closed)
		{
			winesystem.close()
		}
	}
	openEsystem()
}

function openEsystem(){

	userid = eval(document.forms[0].elements['username'])
	password = eval(document.forms[0].elements['password'])
	if (userid.value.length==0) {
		alert("User name non inserito!")
		userid.focus()
		return
	}
	if (password.value.length==0) {
		alert("Password non inserita!")
		password.focus()
		return
	}
	if (myurlpiattaforma) {
		document.forms[0].action = myurlpiattaforma
	}
	width = window.screen.width
	height = window.screen.height
	winesystem = window.open("" ,"winesystem","status=yes,location=no,toolbar=no,menubar=no,width=" + (width-10) + ",height=" + (height-75) +",resizable=yes")
	winesystem.moveTo(0,0)
	winesystem.focus()
	document.forms[0].submit()
	document.forms[0].reset()
}


function setfocus(){
		document.login.username.focus();
}