// JavaScript Document
// Funzioni di Gestione dei testi con scorrimento dentro i layer

var n  = (document.layers) ? 1:0;
var ie = (document.all)    ? 1:0;
var browser=((n || ie) && parseInt(navigator.appVersion)>=4)

var speed=130
var loop, timer 

bw=new verifyCompatibleBrowser() 


function verifyCompatibleBrowser(){ 
    this.ver=navigator.appVersion 
    this.dom=document.getElementById?1:0 
    this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
    this.ie4=(document.all && !this.dom)?1:0; 
    this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
    this.ns4=(document.layers && !this.dom)?1:0; 
    this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5) 
    return this 
} 


function ConstructObject(obj,nest){ 
    nest=(!nest) ? '':'document.'+nest+'.' 
    this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0; 
    this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0; 
    this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight 
    this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight 
    this.up=MoveAreaUp;this.down=MoveAreaDown; 
    this.MoveArea=MoveArea; this.x; this.y; 
    this.obj = obj + "Object" 
    eval(this.obj + "=this") 
    return this 
} 
function MoveArea(x,y){ 
    this.x=x;this.y=y 
    this.css.left=this.x 
    this.css.top=this.y 
} 
function MoveAreaDown(move){ 
	if(this.y>-this.scrollHeight+objContainer.clipHeight){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".down("+move+")",speed) 
	} 
} 
function MoveAreaUp(move){ 
	if(this.y<0){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".up("+move+")",speed) 
	} 
} 
function PerformScroll(speed){ 
	if(initialised){ 
		loop=true; 
		if(speed>0) objScroller.down(speed) 
		else objScroller.up(speed) 
	} 
} 
function CeaseScroll(){ 
    loop=false 
    if(timer) clearTimeout(timer) 
} 
var initialised; 

function InitialiseScrollableArea(pezzonome){ 
    objContainer=new ConstructObject('div'+pezzonome+'Container'); 
    objScroller=new ConstructObject('div'+pezzonome+'Content','div'+pezzonome+'Container'); 
	objAmbContCopy=objContainer;
	objAmbScrollCopy=objScroller;
    objScroller.MoveArea(0,0); 
    objContainer.css.visibility='visible'; 
    initialised=true; 
}
var num_layer;
var i;
function mostra_layer(pezzonomelayer){
	
		
	MM_showHideLayers('div'+pezzonomelayer+'Container','','show','div'+pezzonomelayer+'Content','','show');
	MM_showHideLayers('div'+pezzonomelayer+'Container','','hide','div'+pezzonomelayer+'Content','','hide');
	
	
}

function clickLayer(primoLayer,secondoLayer,imm_primo_Layer,imm_sec_Layer) {
	InitialiseScrollableArea(primoLayer);
	MM_showHideLayers('divContainer','','hide','divContent','','hide');
	MM_showHideLayers('div'+primoLayer+'Container','','show','div'+primoLayer+'Content','','show');
	if (secondoLayer!='') MM_showHideLayers('div'+secondoLayer+'Container','','hide','div'+secondoLayer+'Content','','hide');
	
	if (imm_primo_Layer!='') {
								imm =MM_findObj(imm_primo_Layer);
								imm.src='../images/'+imm_primo_Layer+'-over.gif';
							}
							
	if (imm_sec_Layer!='') {
							imm =MM_findObj(imm_sec_Layer);
							imm.src='../images/'+imm_sec_Layer+'.gif';
						   }
						   
	menuinterno=imm_primo_Layer;

	}

function RipristinaLayerPrincipale(primoLayer,secondoLayer,imm_primo_Layer,imm_sec_Layer)
{
	InitialiseScrollableArea('');
	MM_showHideLayers('divContainer','','show','divContent','','show');
	MM_showHideLayers('div'+primoLayer+'Container','','hide','div'+primoLayer+'Content','','hide');
	MM_showHideLayers('div'+secondoLayer+'Container','','hide','div'+secondoLayer+'Content','','hide');
	imm =MM_findObj(imm_primo_Layer);
	imm.src='../images/'+imm_primo_Layer+'.gif';
	imm =MM_findObj(imm_sec_Layer);
	imm.src='../images/'+imm_sec_Layer+'.gif';
	menuinterno='';
}
	
		
		
function displayStatusMsg(msgStr) { 
  status=msgStr;
  document.returnValue = true;
}

function preloadImage() { 
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}


function swapImgRestore() { 
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function findObj(n, d) { 
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document); return x;
}

function swapImage() { 
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// Funzioni di Gestione dei testi con scorrimento dentro i layer
//-->