function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.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 MM_findObj(n, d) { //v4.01
  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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImgRestore() { //v3.0
  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 MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

		/* 1 livello*/

/* apri chiudi menu */
	buton = new Image();
	buton.src = "/eng/img/left_top_int_on.gif";
	butoff = new Image();
	butoff.src = "/eng/img/left_top_int_off.gif";
	
	function changeDisplay( _levelId, _imgId, _offImg ) {
		var thisLevel = document.getElementById( _levelId );
		var thisImg = document.getElementById( _imgId );
		var thisFooter = document.getElementById( _offImg );		
		if (thisLevel.style.display == "none") {
			document.getElementById( _imgId ).src = eval("buton.src");
			thisLevel.style.display = "none";
			thisLevel.style.display = "block";
			thisFooter.style.display = "none";
			thisFooter.style.display = "block"; 
			

/*spegne il secondo*/
			document.getElementById( 'menu2' ).style.display = "none";
			document.getElementById( 'footer2' ).style.display = "none";
			document.getElementById( 'but2' ).src = eval("but2off.src");
			
/*spegne il terzo*/
			document.getElementById( 'menu3' ).style.display = "none";
			document.getElementById( 'footer3' ).style.display = "none";
			document.getElementById( 'but3' ).src = eval("but3off.src");

/*spegne il quarto*/
			document.getElementById( 'menu4' ).style.display = "none";
			document.getElementById( 'footer4' ).style.display = "none";
			document.getElementById( 'but4' ).src = eval("but4off.src");		
			
/*spegne il quinto*/
			document.getElementById( 'menu5' ).style.display = "none";
			document.getElementById( 'footer5' ).style.display = "none";
			document.getElementById( 'but5' ).src = eval("but5off.src");	
			
/*spegne il sesto*/			
			document.getElementById( 'menu6' ).style.display = "none";
			document.getElementById( 'footer6' ).style.display = "none";
			document.getElementById( 'but6' ).src = eval("but6off.src");									

			
		/*	document.cookie = "open=" + _levelId + "; path=/products/"; */
		} else {
			document.getElementById( _imgId ).src = eval("butoff.src");
			thisLevel.style.display = "none";
			thisFooter.style.display = "none";			
		}
	}
	
	
			/* 2 livello*/
		
	but2on = new Image();
	but2on.src = "/eng/img/left_centrale_int_on.gif";
	but2off = new Image();
	but2off.src = "/eng/img/left_centrale_int_off.gif";
	
	function changeDisplay2( _levelId2, _imgId2, _offImg2 ) {
		var thisLevel2 = document.getElementById( _levelId2 );
		var thisImg2 = document.getElementById( _imgId2 );
		var thisFooter2 = document.getElementById( _offImg2 );		
		if (thisLevel2.style.display == "none") {
			document.getElementById( _imgId2 ).src = eval("but2on.src");
			thisLevel2.style.display = "none";
			thisLevel2.style.display = "block";
			thisFooter2.style.display = "none";
			thisFooter2.style.display = "block";
			
/*spegne il primo*/
			document.getElementById( 'menu1' ).style.display = "none";
			document.getElementById( 'footer' ).style.display = "none";
			document.getElementById( 'but1' ).src = eval("butoff.src");
			
/*spegne il terzo*/
			document.getElementById( 'menu3' ).style.display = "none";
			document.getElementById( 'footer3' ).style.display = "none";
			document.getElementById( 'but3' ).src = eval("but3off.src");	

/*spegne il quarto*/
			document.getElementById( 'menu4' ).style.display = "none";
			document.getElementById( 'footer4' ).style.display = "none";
			document.getElementById( 'but4' ).src = eval("but4off.src");		
			
/*spegne il quinto*/
			document.getElementById( 'menu5' ).style.display = "none";
			document.getElementById( 'footer5' ).style.display = "none";
			document.getElementById( 'but5' ).src = eval("but5off.src");	
			
/*spegne il sesto*/			
			document.getElementById( 'menu6' ).style.display = "none";
			document.getElementById( 'footer6' ).style.display = "none";
			document.getElementById( 'but6' ).src = eval("but6off.src");											
			
	/*	document.cookie = "open=" + _levelId + "; path=/products/"; */
		} else {
			document.getElementById( _imgId2 ).src = eval("but2off.src");
			thisLevel2.style.display = "none";
			thisFooter2.style.display = "none";			
		}
	}
	
			/* 3 livello*/
	
	but3on = new Image();
	but3on.src = "/eng/img/left_down_int_on.gif";
	but3off = new Image();
	but3off.src = "/eng/img/left_down_int_off.gif";
	
	function changeDisplay3( _levelId3, _imgId3, _offImg3 ) {
		var thisLevel3 = document.getElementById( _levelId3 );
		var thisImg3 = document.getElementById( _imgId3 );
		var thisFooter3 = document.getElementById( _offImg3 );		
		if (thisLevel3.style.display == "none") {
			document.getElementById( _imgId3 ).src = eval("but3on.src");
			thisLevel3.style.display = "none";
			thisLevel3.style.display = "block";
			thisFooter3.style.display = "none";
			thisFooter3.style.display = "block";
			
			/*alert("ciao")*/

/*spegne il primo*/
			document.getElementById( 'menu1' ).style.display = "none";
			document.getElementById( 'footer' ).style.display = "none";
			document.getElementById( 'but1' ).src = eval("butoff.src");			
			
/*spegne il secondo*/
			document.getElementById( 'menu2' ).style.display = "none";
			document.getElementById( 'footer2' ).style.display = "none";
			document.getElementById( 'but2' ).src = eval("but2off.src");

/*spegne il quarto*/
			document.getElementById( 'menu4' ).style.display = "none";
			document.getElementById( 'footer4' ).style.display = "none";
			document.getElementById( 'but4' ).src = eval("but4off.src");	

/*spegne il quinto*/
			document.getElementById( 'menu5' ).style.display = "none";
			document.getElementById( 'footer5' ).style.display = "none";
			document.getElementById( 'but5' ).src = eval("but5off.src");						
			
/*spegne il sesto*/			
			document.getElementById( 'menu6' ).style.display = "none";
			document.getElementById( 'footer6' ).style.display = "none";
			document.getElementById( 'but6' ).src = eval("but6off.src");				
			
/*			document.cookie = "open=" + _levelId + "; path=/products/"; */
		} else {
			document.getElementById( _imgId3 ).src = eval("but3off.src");
			thisLevel3.style.display = "none";
			thisFooter3.style.display = "none";			
		}
	}
	
	/* 4 livello*/
	
	but4on = new Image();
	but4on.src = "/eng/img/left_down_int_on2.gif";
	but4off = new Image();
	but4off.src = "/eng/img/left_down_int_off2.gif";
	
	function changeDisplay4( _levelId4, _imgId4, _offImg4 ) {
		var thisLevel4 = document.getElementById( _levelId4 );
		var thisImg4 = document.getElementById( _imgId4 );
		var thisFooter4 = document.getElementById( _offImg4 );		
		if (thisLevel4.style.display == "none") {
			document.getElementById( _imgId4 ).src = eval("but4on.src");
			thisLevel4.style.display = "none";
			thisLevel4.style.display = "block";
			thisFooter4.style.display = "none";
			thisFooter4.style.display = "block";
			
/*spegne il primo*/
			document.getElementById( 'menu1' ).style.display = "none";
			document.getElementById( 'footer' ).style.display = "none";
			document.getElementById( 'but1' ).src = eval("butoff.src");			
			
/*spegne il secondo*/
			document.getElementById( 'menu2' ).style.display = "none";
			document.getElementById( 'footer2' ).style.display = "none";
			document.getElementById( 'but2' ).src = eval("but2off.src");
			
/*spegne il terzo*/
			document.getElementById( 'menu3' ).style.display = "none";
			document.getElementById( 'footer3' ).style.display = "none";
			document.getElementById( 'but3' ).src = eval("but3off.src");	

/*spegne il quinto*/
			document.getElementById( 'menu5' ).style.display = "none";
			document.getElementById( 'footer5' ).style.display = "none";
			document.getElementById( 'but5' ).src = eval("but5off.src");	

/*spegne il sesto*/			
			document.getElementById( 'menu6' ).style.display = "none";
			document.getElementById( 'footer6' ).style.display = "none";
			document.getElementById( 'but6' ).src = eval("but6off.src");									
			
		} else {
			document.getElementById( _imgId4 ).src = eval("but4off.src");
			thisLevel4.style.display = "none";
			thisFooter4.style.display = "none";			
		}
	}
	
		/* 5 livello*/
	
	but5on = new Image();
	but5on.src = "/eng/img/left_sel_ita_int_on.gif";
	but5off = new Image();
	but5off.src = "/eng/img/left_sel_ita_int_off.gif";
	
	function changeDisplay5( _levelId5, _imgId5, _offImg5 ) {
		var thisLevel5 = document.getElementById( _levelId5 );
		var thisImg5 = document.getElementById( _imgId5 );
		var thisFooter5 = document.getElementById( _offImg5 );		
		if (thisLevel5.style.display == "none") {
			document.getElementById( _imgId5 ).src = eval("but5on.src");
			thisLevel5.style.display = "none";
			thisLevel5.style.display = "block";
			thisFooter5.style.display = "none";
			thisFooter5.style.display = "block";
			
/*spegne il primo*/
			document.getElementById( 'menu1' ).style.display = "none";
			document.getElementById( 'footer' ).style.display = "none";
			document.getElementById( 'but1' ).src = eval("butoff.src");			
			
/*spegne il secondo*/
			document.getElementById( 'menu2' ).style.display = "none";
			document.getElementById( 'footer2' ).style.display = "none";
			document.getElementById( 'but2' ).src = eval("but2off.src");
			
/*spegne il terzo*/
			document.getElementById( 'menu3' ).style.display = "none";
			document.getElementById( 'footer3' ).style.display = "none";
			document.getElementById( 'but3' ).src = eval("but3off.src");			
			
/*spegne il quarto*/
			document.getElementById( 'menu4' ).style.display = "none";
			document.getElementById( 'footer4' ).style.display = "none";
			document.getElementById( 'but4' ).src = eval("but4off.src");	
			
/*spegne il sesto*/			
			document.getElementById( 'menu6' ).style.display = "none";
			document.getElementById( 'footer6' ).style.display = "none";
			document.getElementById( 'but6' ).src = eval("but6off.src");							
			
		} else {
			document.getElementById( _imgId5 ).src = eval("but5off.src");
			thisLevel5.style.display = "none";
			thisFooter5.style.display = "none";			
		}
	}
	
	
			/* 6 livello*/
	
	but6on = new Image();
	but6on.src = "/eng/img/left_down_int_on3.gif";
	but6off = new Image();
	but6off.src = "/eng/img/left_down_int_off3.gif";
	
	function changeDisplay6( _levelId6, _imgId6, _offImg6 ) {
		var thisLevel6 = document.getElementById( _levelId6 );
		var thisImg6 = document.getElementById( _imgId6 );
		var thisFooter6 = document.getElementById( _offImg6 );		
		if (thisLevel6.style.display == "none") {
			document.getElementById( _imgId6 ).src = eval("but6on.src");
			thisLevel6.style.display = "none";
			thisLevel6.style.display = "block";
			thisFooter6.style.display = "none";
			thisFooter6.style.display = "block";
			
/*spegne il primo*/
			document.getElementById( 'menu1' ).style.display = "none";
			document.getElementById( 'footer' ).style.display = "none";
			document.getElementById( 'but1' ).src = eval("butoff.src");			
			
/*spegne il secondo*/
			document.getElementById( 'menu2' ).style.display = "none";
			document.getElementById( 'footer2' ).style.display = "none";
			document.getElementById( 'but2' ).src = eval("but2off.src");
			
/*spegne il terzo*/
			document.getElementById( 'menu3' ).style.display = "none";
			document.getElementById( 'footer3' ).style.display = "none";
			document.getElementById( 'but3' ).src = eval("but3off.src");			
			
/*spegne il quarto*/
			document.getElementById( 'menu4' ).style.display = "none";
			document.getElementById( 'footer4' ).style.display = "none";
			document.getElementById( 'but4' ).src = eval("but4off.src");					
			
/*spegne il quinto*/
			document.getElementById( 'menu5' ).style.display = "none";
			document.getElementById( 'footer5' ).style.display = "none";
			document.getElementById( 'but5' ).src = eval("but5off.src");			
			
		} else {
			document.getElementById( _imgId6 ).src = eval("but6off.src");
			thisLevel6.style.display = "none";
			thisFooter6.style.display = "none";			
		}
	}
	
	
	
	
	
/* accende e spegne menu di secondo livello*/
		
		function hideLevel( _levelId ) {
			var thisLevel = document.getElementById( _levelId );			
			thisLevel.style.display = "none";			
			}	
		
		function showLevel( _levelId ) {
			var thisLevel = document.getElementById( _levelId );
			if ( thisLevel.style.display == "none") {
				thisLevel.style.display = "block";
				}
			else {
				hideLevel( _levelId);
				}
			}