function obrir_finestra1(pagina)
{
var myLeft = (screen.width-470)/2;
var myTop = (screen.height-335)/2;

var opciones="toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=1, resizable=no, width=470, height=340, top="+myTop+", left="+myLeft+"";
window.open(pagina,"",opciones);
}

function obrir_finestra2(pagina)
{
var myLeft = (screen.width-470)/2;
var myTop = (screen.height-335)/2;

var opciones="toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=1, resizable=no, width=470, height=340, top="+myTop+", left="+myLeft+"";
window.open(pagina,"",opciones);
}

function obrir_finestra3(pagina)
{
var myLeft = (screen.width-420)/2;
var myTop = (screen.height-335)/2;

var opciones="toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=1, resizable=no, width=420, height=340, top="+myTop+", left="+myLeft+"";
window.open(pagina,"",opciones);
}
function obrir_finestra4(pagina)
{
var myLeft = (screen.width-410)/2;
var myTop = (screen.height-175)/2;

var opciones="toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, width=410, height=175, top="+myTop+", left="+myLeft+"";
window.open(pagina,"",opciones);
}


function addBookmark(title,url) {
if (window.sidebar) {
window.sidebar.addPanel(title, url,"");
} else if( document.all ) {
window.external.AddFavorite( url, title);
} else if( window.opera && window.print ) {
return true;
}
}


function EW_checkMyForm(formulari) {
	document.getElementById('error_login0').style.visibility="hidden"; 
	document.getElementById('error_login1').style.visibility="hidden"; 
	
	
	
		if (window.document.flogin.x_login.value=='')
		{
			document.getElementById('error_login0').style.visibility="visible"; 
			return false;
		}
		if (window.document.flogin.x_password.value=='')
		{
			document.getElementById('error_login1').style.visibility="visible"; 
			return false;
		}	
			
		
	
		
				window.document.flogin.submit();

}