// Inserire i nomi di tutte le immagini ('TRA APICI' e separati da vigole) da caricare nella variabile "imagenames" ARRAY.
// La variabile "imagesdone" assumerà valore "TRUE" quando tutte le immagini saranno state scaricate

var imagenames=new Array('Images/item/0.jpg','Images/item/1.jpg','Images/item/2.jpg','Images/item/03.jpg','Images/item/4.jpg','Images/item/5.jpg','Images/item/6.jpg','Images/item/7.jpg','Images/item/8.jpg','Images/item/9.jpg','Images/webdesign_04.jpg','Images/dynamic_1.jpg','Images/gen_screen_01.jpg','Images/tecnologia32a.jpg','Images/creativity_overdose1.gif');

var yposition=350;               				// POSIZIONE DELLA BARRA DI LOAD (FROM TOP OF WINDOW, IN PIXELS)
var loadedcolor='#0099CC' ;         			// COLORE DELLA BARRA DI LOAD 
var unloadedcolor='black';       				// COLORE DI SFONDO DELLA BARRA DI LOAD
var barheight=15;                				// ALTEZZA DELLA BARRA DI LOAD IN PIXELS (MIN 15)
var barwidth=320;                				// LARGHEZZA DELLA BARRA DI LOAD IN PIXELS
var bordercolor='#0099CC';         				// COLORE DEL BORDO
var targetdestination="Vertigo_AI.asp";		// INDIRIZZO DI DESTINAZIONE A FINE LOAD

//INIZIO PROCEDURA E CODICE PRINCIPALE  

//var szReferer = document.referrer;
//if (szReferer != '')
//		{
//			document.write('<form name="form1" method="post" action=""><input type="hidden" name="urly" value="'+szReferer+'"></form>');
//		}

var NS4 = (navigator.appName.indexOf("Netscape")>=0 && parseFloat(navigator.appVersion) >= 4 && parseFloat(navigator.appVersion) < 5)? true : false;
var IE4 = (document.all)? true : false;
var NS6 = (parseFloat(navigator.appVersion) >= 5 && navigator.appName.indexOf("Netscape")>=0 )? true: false;
var imagesdone=false;
var blocksize=barwidth/(imagenames.length);
barheight=Math.max(barheight,25);
var loaded=0, perouter, perdone, images=new Array();
var txt=(NS4)?'<layer name="perouter" bgcolor="'+bordercolor+'" visibility="hide">' : '<div id="perouter" style="position:absolute; visibility:hidden; background-color:'+bordercolor+'">';
txt+='<table cellpadding="0" cellspacing="1" border="0"><tr><td width="'+barwidth+'" height="'+barheight+'" valign="center">';
if(NS4)txt+='<ilayer width="100%" height="100%"><layer width="100%" height="100%" bgcolor="'+unloadedcolor+'" top="0" left="0">';
txt+='<table cellpadding="0" cellspacing="0" border="0"><tr><td valign="center" width="'+barwidth+'" height="'+barheight+'" bgcolor="'+unloadedcolor+'"><center><font color="'+loadedcolor+'" size="1" face="Tahoma">Loading ...</font></center></td></tr></table>';
if(NS4) txt+='</layer>';
txt+=(NS4)? '<layer name="perdone" width="100%" height="'+barheight+'" bgcolor="'+loadedcolor+'" top="0" left="0">' : '<div id="perdone" style="position:absolute; top:1px; left:1px; width:'+barwidth+'px; height:'+barheight+'px; background-color:'+loadedcolor+'; z-index:100">';
txt+='<table cellpadding="0" cellspacing="0" border="0"><tr><td valign="center" width="'+barwidth+'" height="'+barheight+'" bgcolor="'+loadedcolor+'"><center><font color="'+unloadedcolor+'" size="1" face="Tahoma">Loading ...</font></center></td></tr></table>';
txt+=(NS4)? '</layer></ilayer>' : '</div>';
txt+='</td></tr></table>';
txt+=(NS4)?'</layer>' : '</div>';
document.write(txt);


function loadimages(){
	if(NS4){
		perouter=document.perouter;
		perdone=document.perouter.document.layers[0].document.perdone;
	}
	if(NS6){
		perouter=document.getElementById('perouter');
		perdone=document.getElementById('perdone');
	}
	if(IE4){
		perouter=document.all.perouter;
		perdone=document.all.perdone;
	}
	cliplayer(perdone,0,0,barheight,0);
	window.onresize=setouterpos;
	setouterpos();
	for(n=0;n<imagenames.length;n++){
		images[n]=new Image();
		images[n].src=imagenames[n];
		setTimeout('checkload('+n+')' ,n*100);
	}
}

function setouterpos(){
	var ww=(IE4)? document.body.clientWidth : window.innerWidth;
	var x=(ww-barwidth)/2;
	if(NS4){
		perouter.moveTo(x,yposition);
		perouter.visibility="show";
	}
	if(IE4||NS6){
		perouter.style.left=x+'px';
		perouter.style.top=yposition+'px';
		perouter.style.visibility="visible";
	}
}

function dispbars(){
	loaded++;
	cliplayer(perdone, 0, blocksize*loaded, barheight, 0);
	if(loaded>=imagenames.length)setTimeout('hideperouter()', 800);
}

function checkload(index){
	(images[index].complete)? dispbars() : setTimeout('checkload('+index+')', 100);
}

function hideperouter(){
	(NS4)? perouter.visibility="hide" : perouter.style.visibility="hidden";
	imagesdone=true;
	if(imagesdone=true)window.location=targetdestination;
}

function cliplayer(layer, ct, cr, cb, cl){
	if(NS4){
		layer.clip.left=cl;
		layer.clip.top=ct;
		layer.clip.right=cr;
		layer.clip.bottom=cb;
	}
	if(IE4||NS6)layer.style.clip='rect('+ct+' '+cr+' '+cb+' '+cl+')';
}

window.onload=loadimages;