function go_to(pagina){
	
	location.href=pagina;

}

function display_none(id){

	for(var i=0; i<display_none.arguments.length; i++)
		document.getElementById(display_none.arguments[i]).style.display='none';

}
function display_block(id){

	for(var i=0; i<display_block.arguments.length; i++)
		document.getElementById(display_block.arguments[i]).style.display='block';

}



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_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_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];}

}

function IEdetect(){
  if (navigator.userAgent.toLowerCase().indexOf("msie") != -1){
    return true;
  } 
}


//Per far COMPARIRE un elemento
function opacity_IN(id,op,duration){
	 e = document.getElementById(id);
	 if(e!=null)
	 {
		 e.style.display = 'block';
		 e.style.visibility = 'visible';
		 
		 if(IEdetect()){
		   e.style.filter='alpha(opacity='+op*10+')';
		 }else{
		   e.style.opacity = op/10;
		 }
		 op++;
		 temp = duration/10;
		 if(op <= 10){
		  setTimeout("opacity_IN('"+id+"',"+op+","+duration+")", temp);
		 }
	 }
	
}

//Per far SCOMPARIRE un elemento
function opacity_OUT(id,op,duration){
 e = document.getElementById(id);
 if(e!=null)
 {
	 if(IEdetect()){
	   e.style.filter='alpha(opacity='+op*10+')';
	 }else{
	   e.style.opacity = op/10;
	 }
	 op--;
	 temp = duration/10;
	 if(op >= 0){
	  setTimeout("opacity_OUT('"+id+"',"+op+","+duration+")", temp);
	  if(op == 0){
	   e.style.display = 'none';
	   e.style.visibility = 'hidden'; 
	  }
	 }
 }
}