function cambiaImmagine(folder,nr){
document.getElementById('soggetto').src="../img/progetti/"+folder+"/"+folder+"-"+nr+"_med.jpg"
}

/*function ShowAndHide(id1,id2){
if(document.getElementById){
el1=document.getElementById(id1);
el2=document.getElementById(id2);
if(el1.style.display=="none"){
el1.style.display="block";
el2.style.display="none";
}
else{
el1.style.display="none";
el2.style.display="block";
}
}}*/

function ShowAndHide(id1){
if(document.getElementById){
el1=document.getElementById(id1);
if(el1.style.display=="none"){
el1.style.display="block";
}
else{
el1.style.display="none";
}
}}

function identifica(){
nome = window.location.href
start = nome.lastIndexOf("/")+1;
end = nome.lastIndexOf(".");
gap = end-start;
identificatore = nome.substr(start, gap);
return (identificatore);
}

function Zoom(immagine_da_guardare){
identifica();
window.location.href = "zoom.html?prog="+identificatore+"&img="+immagine_da_guardare;
}

function prevNextProject(next){
identifica();
var nextPage = Math.round(identificatore)+next;
var nextPageString = nextPage.toString()
switch (nextPageString.length)
{
case 1:
	newId = '00'+nextPageString;
	break;
case 2:
	newId = '0'+nextPageString;
	break;
};
switch (newId)
{
case '000':
	window.location.href = nome.replace(identificatore,'025');
	break;
case '026':
	window.location.href = nome.replace(identificatore,'001');
	break;
default:
window.location.href = nome.replace(identificatore,newId);
}
}