// JavaScript Document

function showhide(theid) {
	var newstato='none';
	if(document.getElementById(theid).style.display=='none') newstato='';
	document.getElementById(theid).style.display=newstato;
	/*
	if(document.getElementById(theid).style.display=='none') {
    new Effect.Appear(theid);
  }
  else {
    new Effect.BlindUp(theid);
  }
  */
}

function showhidepulsante(theid) {
	var statomeno = document.getElementById('meno'+theid).style.display;
	if(statomeno=='none') {
		document.getElementById('meno'+theid).style.display='';
	}
	else {
		document.getElementById('meno'+theid).style.display='none';	
	}
	document.getElementById('piu'+theid).style.display=statomeno;
}

function showone(categoria, id, totale) {
	for(var i=0;i<totale;i++) {
		document.getElementById(categoria + '' + i).style.display='none';
	}
	document.getElementById(categoria + '' + id).style.display='';
}

function hideone(categoria, id, totale) {
	for(var i=0;i<totale;i++) {
		document.getElementById(categoria + '' + i).style.display='';
	}
	document.getElementById(categoria + '' + id).style.display='none';
}

// position of the tooltip relative to the mouse in pixel //
var offsetx = 12;
var offsety =  8;

function ttnewelement(newid) { 
    if(document.createElement)
    { 
        var el = document.createElement('div'); 
        el.id = newid;     
        with(el.style)
        { 
            display = 'none';
            position = 'absolute';
        } 
        el.innerHTML = '&nbsp;'; 
        document.body.appendChild(el); 
    } 
} 

var ie5 = (document.getElementById && document.all); 
var ns6 = (document.getElementById && !document.all); 
var ua = navigator.userAgent.toLowerCase();
var isapple = (ua.indexOf('applewebkit') != -1 ? 1 : 0);

function ttgetmouseposition(e) {
    if(document.getElementById)
    {
        var iebody=(document.compatMode && 
        	document.compatMode != 'BackCompat') ? 
        		document.documentElement : document.body;
        pagex = (isapple == 1 ? 0:(ie5)?iebody.scrollLeft:window.pageXOffset);
        pagey = (isapple == 1 ? 0:(ie5)?iebody.scrollTop:window.pageYOffset);
        mousex = (ie5)?event.x:(ns6)?clientX = e.clientX:false;
        mousey = (ie5)?event.y:(ns6)?clientY = e.clientY:false;

        var lixlpixel_tooltip = document.getElementById('tooltip');
        lixlpixel_tooltip.style.left = (mousex+pagex+offsetx) + 'px';
        lixlpixel_tooltip.style.top = (mousey+pagey+offsety) + 'px';
    }
}

function tttooltip(tip) {
    if(!document.getElementById('tooltip')) ttnewelement('tooltip');
    var lixlpixel_tooltip = document.getElementById('tooltip');
    lixlpixel_tooltip.innerHTML = tip;
    lixlpixel_tooltip.style.display = 'block';
    document.onmousemove = ttgetmouseposition;
}

function ttexit() {
    document.getElementById('tooltip').style.display = 'none';
}

function Set_Cookie( name, value, expires, path, domain, secure ) {
  // set time, it's in milliseconds
  var today = new Date();
  today.setTime( today.getTime() );
  
  /*
  if the expires variable is set, make the correct 
  expires time, the current script below will set 
  it for x number of days, to make it for hours, 
  delete * 24, for minutes, delete * 60 * 24
  */
  if ( expires )
  {
  expires = expires * 1000 * 60 * 60 * 24;
  }
  var expires_date = new Date( today.getTime() + (expires) );
  
  document.cookie = name + "=" +escape( value ) +
  ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
  ( ( path ) ? ";path=" + path : "" ) + 
  ( ( domain ) ? ";domain=" + domain : "" ) +
  ( ( secure ) ? ";secure" : "" );
}

function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f
	
	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );
		
		
		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
	
		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}	

function Delete_Cookie( name, path, domain ) {
  if ( Get_Cookie( name ) ) document.cookie = name + "=" +
  ( ( path ) ? ";path=" + path : "") +
  ( ( domain ) ? ";domain=" + domain : "" ) +
  ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

function sesamo(id) {
  var stato = document.getElementById(id).style.display;
  if(stato == 'none') {
    new Effect.BlindDown(id);
    //document.getElementById(id).style.display='';
    Set_Cookie('opentitle' + id, 1);
  }
  else {
    new Effect.BlindUp(id);
    //document.getElementById(id).style.display='none';
    Delete_Cookie('opentitle' + id);
  }  
}

function mostraalbero(id_nodo, tipo, suffisso) {
  var stato = document.getElementById('alberoposizioni').style.display;
  if(stato == 'none') {
    new Effect.BlindDown('alberoposizioni');
  }
  new Ajax.Updater('alberoposizioni','ajax_sposta.php?ID_nodo='+id_nodo+'&tipo='+tipo+'&suffisso='+suffisso)
}

function ajaxFoto(idimmagine,suffisso,url) {
  new Ajax.Updater('ajaxfoto','ajax_foto.php?idimmagine='+idimmagine+'&suffisso='+suffisso+'&url='+url+'&fromajax=1');
}