/*
	Libreria di java script
	versione 2.0
	Contiene:
		script per il mouseover
		script per le pop-up
		script per pop-up immagini

	2002 Marczewski Rafal
*/

	//funzione di identificazione del browser generica
	//da aggiungere IE6 e NS6
	function checkBrowser()
	{
	  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
	}
	bw=new checkBrowser()
	var speed=1
	var loop, timer

	function makeObj(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=goUp;this.down=goDown;
	  this.moveIt=moveIt; this.x; this.y;
      this.obj = obj + "Object"
      eval(this.obj + "=this")
      return this
	}


	function moveIt(x,y)
	{
	  this.x=x;this.y=y
	  this.css.left=this.x
	  this.css.top=this.y
	}


	function goDown(move)
	{
	  if(this.y>-this.scrollHeight+oCont.clipHeight)
	  {
		this.moveIt(0,this.y-move)
		if(loop) setTimeout(this.obj+".down("+move+")",speed)
	  }
	}

	function goUp(move)
	{
	  if(this.y<0)
	  {
		this.moveIt(0,this.y-move)
		if(loop) setTimeout(this.obj+".up("+move+")",speed)
	  }
	}

	function scroll(speed)
	{
	  if(loaded)
	  {
		loop=true;
		if(speed>0) oScroll.down(speed)
		else oScroll.up(speed)
	  }
	}

	function noScroll()
	{
	  loop=false
	  if(timer) clearTimeout(timer)
	}

	var loaded;
	function scrollInit()
	{
	  oCont=new makeObj('divCont')
	  oScroll=new makeObj('divText','divCont')
	  oScroll.moveIt(0,0)
	  oCont.css.visibility='visible'
	  loaded=true;
	}


	//funzione per l'apertura dei pop-up
	function popup(pagina,op1,op2,width,height,center)
	{
	  larghezza=screen.width;
	  altezza=screen.height;
	  if(center=1){
	  spazio_oriz=(larghezza-width)/2;
	  spazio_vert=(altezza-height)/2;
	  }else{
	  spazio_oriz=5;
	  spazio_vert=5;
	  };
	  parametri = "resizable="+op1+",scrollbars="+op2+",width="+width+",height="+height+",left="+spazio_oriz+",top="+spazio_vert;
	  window.open(pagina,"popup",parametri);
	}

		//Macromedia mouseover ver. 4.01
			function ripristinaIma() {
			  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
			}
			function preloadIma() {
			  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
			    var i,j=d.MM_p.length,a=preloadIma.arguments; for(i=0; i<a.length; i++)
			    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
			}
			function objIma(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=objIma(n,d.layers[i].document);
				  if(!x && d.getElementById) x=d.getElementById(n); return x;
			}

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

	//Auto pop-up
	function CaricaFoto(img){
	  foto1= new Image();
	  foto1.src=(img);
	  Controlla(img);
	}
	
	function Controlla(img){
	  if((foto1.width!=0)&&(foto1.height!=0)){
	    viewFoto(img);
	  }
	  else{
    		funzione="Controlla('"+img+"')";
		intervallo=setTimeout(funzione,20);
	  }
	}
	
	function viewFoto(img){
	  largh=foto1.width+20;
	  altez=foto1.height+20;
	  stringa="width="+largh+",height="+altez;
	  finestra=window.open(img,"",stringa);
	}

	function MM_openBrWindow(theURL,winName,features) { //v2.0
      window.open(theURL,winName,features);
	}