allClippings = new Array();  
activeClippings = new Array();
currentClipping = 0; 
clippingsDivArray = new Array(); 
cookiesOn = false; 

clippingsTag = "A"; 

var drawClip = false;
var winChildClip = null;

var mouseX = mouseY =0;

function screenObject()
{

	this.bottom = function(){
		if (document.body.scrollHeight) return document.body.scrollHeight};
	
	this.height = function() {
		if (document.body.offsetHeight) return document.body.offsetHeight;}
	
	this.visHeight = function() {
		if (window.innerHeight) return window.innerHeight;
		if (document.body.clientHeight) return document.body.clientHeight;}
	
	this.width = function() {
		if (document.body.offsetWidth) return document.body.offsetWidth;}
	
	this.scrollTop = function() {
		if(document.body.scrollTop) return document.body.scrollTop
		if (window.pageYOffset) return window.pageYOffset;
		else return 0;};
}

function mousePosition(e)
	{
	if (e) event = e;   
	mouseX = event.clientX;
	mouseY = event.clientY;
	}
	
	
function windowResize()
	{
	clippingsSetContainerHeight()
	}

function initClippings()
{
	createPageClippingsArray();
	loadClippings();
	setClippingsVisibility();
	if(drawClip) drawClippings();	
}

function loadClippings()
	{
	//alert("load loadClippings");
	clippingsString = null;
	tempArray = document.cookie.split(";");
	x = -1;
		
	for (tA = 0; tA < tempArray.length; tA++)
		{
		if (tempArray[tA].indexOf('clippings=') > -1) 
		{
			tPos = tempArray[tA].indexOf("=")+2;
			clippingsString = tempArray[tA].substring(tPos,tempArray[tA].length); 			
		}		
	}
	
	//alert("clippingsString: "+clippingsString);

	if (clippingsString != null)
		{		
		tempArray = clippingsString.split("^");
		if (tempArray.length > 1)
		{
			x=0;
			for (i=0; i < tempArray.length/4; i++)
			{				
				activeClippings[i] = new Clipping(tempArray[x], unescape(tempArray[x+1]), tempArray[x+2], tempArray[x+3])
				//alert("load array activeClippings");
				x=x+4;
			}
		}
	}
}

function saveClippings()
{
	tempCookie = "clippings=";
	for(i=0; i < activeClippings.length; i++)
	{
		tempCookie=tempCookie+"^"+(activeClippings[i].id)+"^"+escape(activeClippings[i].name)+"^"+(activeClippings[i].URL)+"^"+(activeClippings[i].read);
		//alert("saveClippings: id="+activeClippings[i].id+" ; read="+activeClippings[i].read);
	}	
	var expire = new Date ();
	expire.setTime (expire.getTime() + (6 * 24 * 3600000)); 
	expire = expire.toGMTString();
	finalCookie = tempCookie+"; path=/; expires="+expire+";"; 
  	document.cookie = finalCookie;
}


function eventCheckForCookies()
	{
	document.cookie = "cookies=on";
  	
  	checkForCookie = document.cookie.split(";");
  	
  		for (x=0; x < checkForCookie.length; x++)
  			{
  			if (checkForCookie[x].indexOf("cookies") >= 0) {cookiesOn = true;}
  			}
  		if (cookiesOn == false) alert("Per utilizzare questa funzione\ndevi abilitare i Cookies");
	}

function Clipping(id, name, URL, read)
{
	var mRead = Clipping.arguments[3];
	//alert(mRead);
	if (mRead==undefined) mRead = 'no';
	this.id = id;
	this.name = name;
	this.URL = URL;
	this.read = mRead;
	this.clicked = markRead;
	//alert("Adding new Clipping: id="+id+"; name="+name+"; URL="+URL+"; read="+mRead);
} 
	
function markRead(id)
{
	//alert("markRead: id="+id);
	if (!id) id = this.id.substring(5,this.id.length);
	for (i=0; i < activeClippings.length; i++)
	{
		if (activeClippings[i].id == id) 
			activeClippings[i].read = "yes";
	}
	if(drawClip) drawClippings();	
}	


function loadClippingURL(pos)
{
	//n = window.open(activeClippings[pos].URL,'_self',+activeClippings[pos].id);
	markRead(activeClippings[pos].id);
	saveClippings();
	if(opener && !opener.closed) {
		self.close();
		opener.location.href = activeClippings[pos].URL;		
	}
}

function eventClearReadClippings()
{
	tempClippings = new Array()
	x = 0;
	y = 0;
	for (i=0; i < activeClippings.length; i++)
	{
		if (activeClippings[i].read != "yes") {
				tempClippings[x] = activeClippings[i]; 
				x++;
		} else {
			y++;
		}
	}
	activeClippings = tempClippings;
	if(drawClip) drawClippings();	
	setClippingsVisibility();	
	saveClippings();
	if(y>0) {
		if(opener && !opener.closed) {		
			self.close();
			opener.location.reload();
		}
	}
}

function eventClearAllClippings()
{	
	x = activeClippings.length;
	activeClippings = new Array();
	setClippingsVisibility();
	if(drawClip) drawClippings();
	saveClippings();
	if(x>0) {
		if(opener && !opener.closed) {		
			self.close();
			opener.location.reload();
		}
	}
}

function drawClippings()
{
	var newHTML = "";
	var tClass = "";
	var clipping;
	for (var i=0; i <= activeClippings.length-1; i++)	{
		clipping = activeClippings[i];
		if (clipping.read == "yes") tClass = " class='read' ";
		else tClass = " class='noread' ";		
		newHTML += "<div class='rowClip'><a href=\"#\"" + tClass + "onclick=\"javascript:loadClippingURL("+i+");\" id='cLink"+clipping.id+"'>"+clipping.name+"</a></div>";	
		if(i<activeClippings.length-1) {newHTML += "<div class='table tabellaseparatore'><div class='row'><div class='cell separatore5' style='background-color:#FFFFFF;'></div></div></div>";}
		else{}
	}	
	obj = document.getElementById("clippingsContainer");	
	obj.innerHTML = newHTML;	
	obj.style.display = "none";
	obj.style.display = "block";		
	if(newHTML=="") obj.style.display = "none";
	clippingsSetContainerHeight();
}


function clippingsSetContainerHeight() {
	obj = document.getElementById("clippingsContainer");
	if(obj) { if(userScreen.visHeight() > 2000) obj.style.height = (userScreen.visHeight()-350)+"px"; }
}


function checkForDuplicates() {
	for (i=0; i < activeClippings.length; i++) { 
		if(newClipping==activeClippings[i].id) {i = allClippings.length; duplicate = true; break;}
	}
}

function createPageClippingsArray(){
	//alert("load createPageClippingsArray");
	d = document.getElementsByTagName(clippingsTag)
	for (j=0; j < d.length; j++) if (d[j].id.indexOf("clp") > -1) {
		clippingsDivArray[clippingsDivArray.length] = d[j];
		//alert("clippingsDivArray "+ j + " = " + d[j].id);
	}
 }

function clippingInstanceVisibility(id,state){
	//alert("load clippingInstanceVisibility: id="+id+"; state="+state+";");
	t = document.getElementById(id);
	if(typeof(t)=='object') {		
	 	var d = clippingsDivArray;  		
		for (var j=0; j < d.length; j++) {
			if (d[j].id == t.id) {
				d[j].style.visibility = state;
				d[j].onclick = addClipping;
			}
		}
	}
}
	
function setClippingsVisibility(){	
	//alert("load setClippingsVisibility");
	for (i=0; i < allClippings.length; i++)	{
		vis = "visible";		
		for (x=0; x <activeClippings.length; x++) {if (allClippings[i].id == activeClippings[x].id) vis = "hidden";}
		obj = "clp"+allClippings[i].id;
		clippingInstanceVisibility(obj, vis)
	}			
}

function addClipping() {
	newClipping = this.id.substring(3,this.id.length);	
	duplicate = false;
	for (i=0; i < allClippings.length; i++) {if (newClipping == allClippings[i].id) {pos = i; i = allClippings.length}}
	if (activeClippings.length > 0)	checkForDuplicates();
	if (!duplicate)	{	
		eventCheckForCookies();
		if (cookiesOn == true){
			activeClippings[activeClippings.length] = new Clipping(allClippings[pos].id,allClippings[pos].name,allClippings[pos].URL);			
			clippingInstanceVisibility(this.id,'hidden') 
			if(drawClip) drawClippings();
			if (document.all) event.cancleBubble = true;
			saveClippings();			
			if(winChildClip && !winChildClip.closed) {
				//winChildClip.initClip( true );				
				winChildClip.location.reload();	
				winChildClip.focus();
			}
		 }
	 }
}
	
function initClip( bDraw ){		
	if (document.all) classFix = "className";
	else classFix = "class";
	
	drawClip = bDraw;
	userScreen = new screenObject();		
	window.onresize = windowResize;		
	initClippings();
			
}

function openClippingWindow(theURL, features, width, height) { 
	var window_width;
	var window_height;
	if(!width) window_width = (screen.width/2)+150;
	else window_width = width;
	if(!height) window_height = (screen.height/2)+130;
	else window_height = height;			
	var window_top = (screen.height-window_height)/2;
	var window_left = (screen.width-window_width)/2;
	var newfeatures = features+",width="+window_width+",height="+window_height+",top="+window_top+",left="+window_left
	winChildClip = window.open(theURL,'MyClipping',newfeatures);
	winChildClip.focus();
}

function closeClippingWindow() 
{ 
	if(winChildClip && !winChildClip.closed) {
		winChildClip.close();
	}
}