// global variables //
var TIMER = 5;
var SPEED = 2000;
var WRAPPER = 'content';

// calculate the current window width //
function pageWidth() {
  return window.innerWidth != null ? window.innerWidth : document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body != null ? document.body.clientWidth : null;
}

// calculate the current window height //
function pageHeight() {
  return window.innerHeight != null? window.innerHeight : document.documentElement && document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body != null? document.body.clientHeight : null;
}

// calculate the current window vertical offset //
function topPosition() {
  return typeof window.pageYOffset != 'undefined' ? window.pageYOffset : document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ? document.body.scrollTop : 0;
}

// calculate the position starting at the left of the window //
function leftPosition() {
  return typeof window.pageXOffset != 'undefined' ? window.pageXOffset : document.documentElement && document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft ? document.body.scrollLeft : 0;
}

// build/show the dialog box, populate the data and call the fadeDialog function //
function showDialog(title,message,type,autohide) {
  if(!type) {
    type = 'error';
  }
  var dialog;
  var dialogheader;
  var dialogclose;
  var dialogtitle;
  var dialogcontent;
  var dialogmask;
  if(!document.getElementById('dialog')) {
    dialog = document.createElement('div');
    dialog.id = 'dialog';
    dialogheader = document.createElement('div');
    dialogheader.id = 'dialog-header';
    dialogtitle = document.createElement('div');
    dialogtitle.id = 'dialog-title';
    dialogclose = document.createElement('div');
    dialogclose.id = 'dialog-close'
    dialogcontent = document.createElement('div');
    dialogcontent.id = 'dialog-content';
    dialogmask = document.createElement('div');
    dialogmask.id = 'dialog-mask';
    document.body.appendChild(dialogmask);
    document.body.appendChild(dialog);
    dialog.appendChild(dialogheader);
    dialogheader.appendChild(dialogtitle);
    dialogheader.appendChild(dialogclose);
    dialog.appendChild(dialogcontent);;
    dialogclose.setAttribute('onclick','hideDialog()');
    dialogclose.onclick = hideDialog;
  } else {
    dialog = document.getElementById('dialog');
    dialogheader = document.getElementById('dialog-header');
    dialogtitle = document.getElementById('dialog-title');
    dialogclose = document.getElementById('dialog-close');
    dialogcontent = document.getElementById('dialog-content');
    dialogmask = document.getElementById('dialog-mask');
    dialogmask.style.visibility = "visible";
    dialog.style.visibility = "visible";
  }
  dialog.style.opacity = .00;
  dialog.style.filter = 'alpha(opacity=0)';
  dialog.alpha = 0;
  var width = pageWidth();
  var height = pageHeight();
  var left = leftPosition();
  var top = topPosition();
  var dialogwidth = dialog.offsetWidth;
  var dialogheight = dialog.offsetHeight;
  var topposition = top + (height / 3) - (dialogheight / 2);
  var leftposition = left + (width / 2) - (dialogwidth / 2);
  dialog.style.top = topposition + "px";
  dialog.style.left = leftposition + "px";
  dialogheader.className = type + "header";
  dialogtitle.innerHTML = title;
  dialogcontent.className = type;
  dialogcontent.innerHTML = message;
  var content = document.getElementById(WRAPPER);
  if (content == null) content = document.body;
  dialogmask.style.height = content.offsetHeight + 'px';
  dialog.timer = setInterval("fadeDialog(1)", TIMER);
  if(autohide) {
    dialogclose.style.visibility = "hidden";
    window.setTimeout("hideDialog()", (autohide * 4000));
  } else {
    dialogclose.style.visibility = "visible";
  }
}

// layer del tool disegno blackboard //
function showBlackBoard(title,message,type,autohide) {
  if(!type) {
    type = 'error';
  }
  var dialog;
  var dialogheader;
  var dialogclose;
  var dialogtitle;
  var dialogcontent;
  var dialogmask;
  if(!document.getElementById('bbtoolbox')) {
    dialog = document.createElement('div');
    dialog.id = 'bbtoolbox';
    dialogheader = document.createElement('div');
    dialogheader.id = 'bbtoolbox-header';
    dialogtitle = document.createElement('div');
    dialogtitle.id = 'bbtoolbox-title';
    dialogclose = document.createElement('div');
    dialogclose.id = 'bbtoolbox-close'
    dialogcontent = document.createElement('div');
    dialogcontent.id = 'bbtoolbox-content';
    dialogmask = document.createElement('div');
    dialogmask.id = 'bbtoolbox-mask';
    document.body.appendChild(dialogmask);
    document.body.appendChild(dialog);
    dialog.appendChild(dialogheader);
    dialogheader.appendChild(dialogtitle);
    dialogheader.appendChild(dialogclose);
    dialog.appendChild(dialogcontent);;
    dialogclose.setAttribute('onclick','hideDialogBB()');
    dialogclose.onclick = hideDialogBB;
  } else {
    dialog = document.getElementById('bbtoolbox');
    dialogheader = document.getElementById('bbtoolbox-header');
    dialogtitle = document.getElementById('bbtoolbox-title');
    dialogclose = document.getElementById('bbtoolbox-close');
    dialogcontent = document.getElementById('bbtoolbox-content');
    dialogmask = document.getElementById('bbtoolbox-mask');
    dialogmask.style.visibility = "visible";
    dialog.style.visibility = "visible";
  }
  dialog.style.opacity = .00;
  dialog.style.filter = 'alpha(opacity=0)';
  dialog.alpha = 0;
  var width = pageWidth();
  var height = pageHeight(); 
  var left = leftPosition();
  var top = topPosition();
  var dialogwidth = dialog.offsetWidth;  
  var dialogheight = dialog.offsetHeight;  
  var topposition = top + (height / 3) - (dialogheight / 2);
  var leftposition = left + (width / 2) - (dialogwidth / 2);
  dialog.style.top = topposition + "px";
  dialog.style.left = leftposition + "px";
  dialogheader.className = type + "header";
  //dialogtitle.innerHTML = title;
  dialogcontent.className = type;
  dialogcontent.innerHTML = message;
  var content = document.getElementById(WRAPPER);
  if (content == null) content = document.body;
  dialogmask.style.height = content.offsetHeight + 'px';
  dialog.timer = setInterval("fadeDialogBB(1)", TIMER);
  if(autohide) {
    dialogclose.style.visibility = "hidden";
    window.setTimeout("hideDialogBB()", (autohide * 1000));
  } else {
    dialogclose.style.visibility = "visible";
  }
}

// layer della gallery delle blackboards //
function showBBgallery(title,message,type,autohide) {
  if(!type) {
    type = 'error';
  }
  var dialog;
  var dialogheader;
  var dialogclose;
  var dialogtitle;
  var dialogcontent;
  var dialogmask;
  if(!document.getElementById('bbgalbox')) {
    dialog = document.createElement('div');
    dialog.id = 'bbgalbox';
    dialogheader = document.createElement('div');
    dialogheader.id = 'bbgalbox-header';
    dialogtitle = document.createElement('div');
    dialogtitle.id = 'bbgalbox-title';
    dialogclose = document.createElement('div');
    dialogclose.id = 'bbgalbox-close'
    dialogcontent = document.createElement('div');
    dialogcontent.id = 'bbgalbox-content';
    dialogmask = document.createElement('div');
    dialogmask.id = 'bbgalbox-mask';
    document.body.appendChild(dialogmask);
    document.body.appendChild(dialog);
    dialog.appendChild(dialogheader);
    dialogheader.appendChild(dialogtitle);
    dialogheader.appendChild(dialogclose);
    dialog.appendChild(dialogcontent);;
    dialogclose.setAttribute('onclick','hideDialogBBgal()');
    dialogclose.onclick = hideDialogBBgal;
  } else {
    dialog = document.getElementById('bbgalbox');
    dialogheader = document.getElementById('bbgalbox-header');
    dialogtitle = document.getElementById('bbgalbox-title');
    dialogclose = document.getElementById('bbgalbox-close');
    dialogcontent = document.getElementById('bbgalbox-content');
    dialogmask = document.getElementById('bbgalbox-mask');
    dialogmask.style.visibility = "visible";
    dialog.style.visibility = "visible";
  }
  dialog.style.opacity = .00;
  dialog.style.filter = 'alpha(opacity=0)';
  dialog.alpha = 0;
  var width = pageWidth();
  var height = pageHeight(); 
  var left = leftPosition();
  var top = topPosition();
  var dialogwidth = dialog.offsetWidth;  
  var dialogheight = dialog.offsetHeight;  
  var topposition = top + (height / 3) - (dialogheight / 2);
  var leftposition = left + (width / 2) - (dialogwidth / 2);
  dialog.style.top = topposition + "px";
  dialog.style.left = leftposition + "px";
  dialogheader.className = type + "header";
  //dialogtitle.innerHTML = title;
  dialogcontent.className = type;
  dialogcontent.innerHTML = message;
  var content = document.getElementById(WRAPPER);
  if (content == null) content = document.body;
  dialogmask.style.height = content.offsetHeight + 'px';
  dialog.timer = setInterval("fadeDialogBBgal(1)", TIMER);
  if(autohide) {
    dialogclose.style.visibility = "hidden";
    window.setTimeout("hideDialogBBgal()", (autohide * 1000));
  } else {
    dialogclose.style.visibility = "visible";
  }
}


// hide the dialog box //
function hideDialog() {
  var dialog = document.getElementById('dialog');
  clearInterval(dialog.timer);
  dialog.timer = setInterval("fadeDialog(0)", TIMER);
}

// hide the tool disegno blackboard //
function hideDialogBB() {
  var dialog = document.getElementById('bbtoolbox');
  clearInterval(dialog.timer);
  dialog.timer = setInterval("fadeDialogBB(0)", TIMER);
  //con IE6 quando si chiude il layer esplode la pagina sottostante
  document.location.reload();
  //
}

// hide the tool disegno blackboard //
function hideDialogBBgal() {
  var dialog = document.getElementById('bbgalbox');
  clearInterval(dialog.timer);
  dialog.timer = setInterval("fadeDialogBBgal(0)", TIMER);
}

// fade-in the dialog box //
function fadeDialog(flag) {
  if(flag == null) {
    flag = 1;
  }
  var dialog = document.getElementById('dialog');
  var value;
  if(flag == 1) {
    value = dialog.alpha + SPEED;
  } else {
    value = dialog.alpha - SPEED;
  }
  dialog.alpha = value;
  dialog.style.opacity = (value / 100);
  dialog.style.filter = 'alpha(opacity=' + value + ')';
  if(value >= 99) {
    clearInterval(dialog.timer);
    dialog.timer = null;
  } else if(value <= 1) {
    dialog.style.visibility = "hidden";
    document.getElementById('dialog-mask').style.visibility = "hidden";
    clearInterval(dialog.timer);
  }
}

// fade-in the tool disegno blackboard //
function fadeDialogBB(flag) {
  if(flag == null) {
    flag = 1;
  }
  var dialog = document.getElementById('bbtoolbox');
  var value;
  if(flag == 1) {
    value = dialog.alpha + SPEED;
  } else {
    value = dialog.alpha - SPEED;
  }
  dialog.alpha = value;
  dialog.style.opacity = (value / 100);
  dialog.style.filter = 'alpha(opacity=' + value + ')';
  if(value >= 99) {
    clearInterval(dialog.timer);
    dialog.timer = null;
  } else if(value <= 1) {
    dialog.style.visibility = "hidden";
    document.getElementById('bbtoolbox-mask').style.visibility = "hidden";
    clearInterval(dialog.timer);
  }
}

// fade-in the tool disegno blackboard //
function fadeDialogBBgal(flag) {
  if(flag == null) {
    flag = 1;
  }
  var dialog = document.getElementById('bbgalbox');
  var value;
  if(flag == 1) {
    value = dialog.alpha + SPEED;
  } else {
    value = dialog.alpha - SPEED;
  }
  dialog.alpha = value;
  dialog.style.opacity = (value / 100);
  dialog.style.filter = 'alpha(opacity=' + value + ')';
  if(value >= 99) {
    clearInterval(dialog.timer);
    dialog.timer = null;
  } else if(value <= 1) {
    dialog.style.visibility = "hidden";
    document.getElementById('bbgalbox-mask').style.visibility = "hidden";
    clearInterval(dialog.timer);
  }
}

/* per menu utenti loggati: */
/* CONFIG */
menuClassName = "menutente";

/* SCRIPT */
function closeSub(menu) {
	for (var i=0; i<menu.childNodes.length; i++)
		if (menu.childNodes[i].nodeName.toLowerCase()=="li") {
			li = menu.childNodes[i];
			li.onmouseover = li.onactivate = li.onfocus = function() { if (this.subMenu) this.subMenu.className = this.subMenu.className.replace(/subMenu-off/g,"subMenu-on") };
			li.onmouseout = li.ondeactivate = li.onblur = function() { if (this.subMenu) closeSub(this.subMenu) };
			for (j=0; j<li.childNodes.length; j++)
				if (li.childNodes[j].nodeName.toLowerCase()=="ul" || li.childNodes[j].nodeName.toLowerCase()=="ol") closeSub(li.subMenu = li.childNodes[j]);
		}
	menu.className = menu.className.replace(/\s?subMenu-on/g,"")+" subMenu-off";
}

/* ON LOAD */
window.onload = function(e) {
	if(tags_ = document.getElementsByTagName('ul'))
		for(i=0; i<tags_.length; i++) 
			if (tags_[i].className==menuClassName) closeSub(tags_[i]);
	if(tags_ = document.getElementsByTagName('ol'))
		for(i=0; i<tags_.length; i++) 
			if (tags_[i].className==menuClassName) closeSub(tags_[i]);
}

/*
(c) 2004 Gianluca Troiani < g.troiani@constile.org > some rights reserved.
This code is licensed under Creative Commons Attribution-ShareAlike License < http://creativecommons.org/licenses/by-sa/2.0/ >
*/