function indice (){
	document.getElementById("galleria").style.visibility="hidden";
	document.getElementById("dettagli").style.visibility="visible";
}

function mostra (f){
	document.getElementById("foto").src="../images/x1/" + f + ".jpg"
}

function getScrollY() {
  var scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) { //Netscape compliant
    scrOfY = window.pageYOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {    //DOM compliant
    scrOfY = document.body.scrollTop;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {  //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
  }
 return scrOfY;
}

function d (id, num, indice){ // dettaglio

	// document.getElementById("dettagli").style.visibility="hidden";

	var i=0;
	var s="";
	var f="";

	// alert (document.body.scrollTop + " - " + window.pageYOffset + "-" + document.documentElement.scrollTop);

	document.getElementById("galleria").style.top = 100 + getScrollY();

	document.getElementById("galleria").style.visibility="visible";
	
	for (i=1; i <= num; i++) {
		f = id + "-" + i;

		s += "<div style='text-align:center;'><a onclick=\"return hs.expand(this)\" href=\"../foto/x2/"+ f + ".jpg\"><img src=\"../foto/x1/" + f + ".jpg\"><p>"+ i +"</p></a></div>" 
	}
	s = "<div id=\"GALLERY\"><div><a href=\"javascript:indice();\"><img src=\"../immagini/indici/" + indice + ".gif\" /></a></div>" + s + "</div>";

	s+="<div style=\"position:absolute; top:-15px; right:-15px;\"><a href=\"javascript:indice();\"><img alt=\"Chiudi / Close\" border=\"0\" src=\"../immagini/cmd-close.png\"></a></div>";
	
	document.getElementById("galleria").innerHTML = s;
	//alert (s);
}

// href="x2/omif_bar_cisterna_1.jpg" rel="lightbox" title="Zoom"

function alertSize() {
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  window.alert( 'Width = ' + myWidth );
  window.alert( 'Height = ' + myHeight );
}

function getScrollXY() {
  var scrOfX = 0, scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
  return [ scrOfX, scrOfY ];
}