// JavaScript Document
function cambia(elem, come) {
	if(come == 1) {
		elem.style.fontWeight = 'bolder';
		elem.style.color = 'orange';
		elem.style.cursor = 'hand';
	}
	else {
		elem.style.fontWeight = 'bold';
		elem.style.color = '#BBDDFF';
		elem.style.cursor = 'pointer';
	}
}

var quale_elem = null;
function cambia1(elem, come) {
	if(come == 1) {
		elem.style.fontWeight = 'bolder';
		elem.style.color = 'orange';
		elem.style.cursor = 'hand';
	}
	else {
		if(elem.id != quale_elem) {
			elem.style.fontWeight = 'bold';
			elem.style.color = '#BBDDFF';
			elem.style.cursor = 'pointer';
		}
	}
}

/*function view_wrk(index) {
    var item = document.images.namedItem(index)
    if (over==1) {
		img.src = navbar_ldimg_over[index2].src;
	}
	else {
		img.src = navbar_ldimg_out[index2].src;
	}
}*/

var works_elm = new Array(8);
works_elm[0] = "donne";
works_elm[1] = "umbri";
works_elm[2] = "danti";
works_elm[3] = "merid";
works_elm[4] = "plinto";
works_elm[5] = "ipparco";
works_elm[6] = "eclit";
works_elm[7] = "homemade";

function view_wrk(elem) {
	view(elem,works_elm);
}

var fasc_elm = new Array(6);
fasc_elm[0] = "circ";
fasc_elm[1] = "est";
fasc_elm[4] = "aut";
fasc_elm[5] = "inv";
fasc_elm[3] = "prim";
fasc_elm[2] = "sol";
//fasc_elm[6] = "eqi";
//fasc_elm[7] = "pers";
//fasc_elm[8] = "moon";
//fasc_elm[9] = "planet";
//fasc_elm[10] = "comete";
//fasc_elm[11] = "latt";
//fasc_elm[12] = "meter";

function view_fsc(elem) {
	view(elem,fasc_elm);
}
	
var obs_elm = new Array(3);
obs_elm[0] = "notte";
obs_elm[1] = "creps";
obs_elm[2] = "danoi";
	
function view_obs(elem) {
	view(elem,obs_elm);
}

function view(elem,arr_elms) {
	var d = document;
	for(i=0; i<arr_elms.length; i++) {
		d.all(arr_elms[i]).style.display='none';
		d.all('txt_'+arr_elms[i]).style.color='#BBDDFF';
	}
	d.all('txt_'+elem).style.color='orange';
	//d.all(elem).style.height="360px";
	//d.all(elem).style.width="28%";
	d.all(elem).style.display='block';
	quale_elem = 'txt_'+elem;
	
}

// Viaggi
var viag_elm = new Array(1);
viag_elm[0] = "egitto07";
	
function view_viag(elem) {
	viewViag(elem,viag_elm);
}

function viewViag(elem,arr_elms) {
	var d = document;
	for(i=0; i<arr_elms.length; i++) {
		d.all(arr_elms[i]).style.display='none';
		d.all('txt_'+arr_elms[i]).style.color='#BBDDFF';
	}
	d.all('txt_'+elem).style.color='orange';
	//d.all(elem).style.height="360px";
	//d.all(elem).style.width="28%";
	d.all(elem).style.display='block';
	quale_elem = 'txt_'+elem;
	
}



//blocco tasto destro
var oPopup = window.createPopup();
function fnSetValues(){
   	var sFeatures="dialogHeight:150px;dialogWidth:300px;center:yes;resizable:no;scroll:no;status:no;";
   	return sFeatures;
}
function cprg(dir) {
	if((event.button == 2) || (event.ctrlKey) || (event.ctrlLeft)) {
		var sFeatures=fnSetValues();
   		window.showModalDialog(dir+'info_page.html', "", sFeatures);
	}
}

var ie=document.all
var ns=document.layers
var ns6=document.getElementById&&!document.all

function enlarge(which,wimg,e) {

if (ie||ns6) {
crossobj=document.getElementById? document.getElementById(wimg) : document.all.showimage
//if (crossobj.style.visibility=="hidden"){
if (crossobj.style.display=="none"){
//crossobj.style.left=ns6? pageXOffset+e.clientX : document.body.scrollLeft+event.clientX
//crossobj.style.top=ns6? pageYOffset+e.clientY : document.body.scrollTop+event.clientY
//crossobj.style.left=window.screenLeft + 10;
//crossobj.style.top=window.screenTop+ 100;
crossobj.style.top=window.screenTop;
crossobj.innerHTML='<div align=right id=drag style=\'background-color=black\'><SPAN STYLE="cursor:hand; background-color:black"><font face="verdana" color="orange" size="3"><b onClick=closepreview()>Chiudi</b></font></span></div><img class=\'fotos\' src="'+which+'">'
crossobj.style.display="block"
}
else
//crossobj.style.visibility="hidden"
crossobj.style.display="none"
return false
}

else if (document.layers){
//if (document.showimage.visibility=="hide"){
if (document.showimage.display=="none"){
document.showimage.document.write('<a href="#" onMouseover="drag_dropns(showimage)"><img src="'+which+'" border=0></a>')
document.showimage.document.close()
document.showimage.left=e.x
document.showimage.top=e.y
document.showimage.display="block"
}
else
document.showimage.display="none"
return false
}

else
return true
}

function closepreview(){
crossobj.style.display="none"
}
//fine galleria fotografica

var index_starlab_img = 0;

function Swap_BgImg(index1) 
{
    var img = document.images.namedItem(index1);
    if( (index_starlab_img + 1) > 37) index_starlab_img = -1;
    switch(++index_starlab_img) 
    {
        case 0 : img.src = "images/slides/Slide1.jpg"; break;
		case 1 : img.src = "images/slides/Slide2.jpg"; break;
		case 2 : img.src = "images/slides/Slide3.jpg"; break;
		case 3 : img.src = "images/slides/Slide4.jpg"; break;
		case 4 : img.src = "images/slides/Slide5.jpg"; break;
		case 5 : img.src = "images/slides/Slide6.jpg"; break;
		case 6 : img.src = "images/slides/Slide7.jpg"; break;
		case 7 : img.src = "images/slides/Slide8.jpg"; break;
		case 8 : img.src = "images/slides/Slide9.jpg"; break;
		case 9 : img.src = "images/slides/Slide10.jpg"; break;
		case 10 : img.src = "images/slides/Slide11.jpg"; break;
		case 11 : img.src = "images/slides/Slide12.jpg"; break;
		case 12 : img.src = "images/slides/Slide13.jpg"; break;
		case 13 : img.src = "images/slides/Slide14.jpg"; break;
		case 14 : img.src = "images/slides/Slide15.jpg"; break;
		case 15 : img.src = "images/slides/Slide16.jpg"; break;
		case 16 : img.src = "images/slides/Slide17.jpg"; break;
		case 17 : img.src = "images/slides/Slide18.jpg"; break;
		case 18 : img.src = "images/slides/Slide19.jpg"; break;
		case 19 : img.src = "images/slides/Slide20.jpg"; break;
		case 20 : img.src = "images/slides/Slide21.jpg"; break;
		case 21 : img.src = "images/slides/Slide22.jpg"; break;
		case 22 : img.src = "images/slides/Slide23.jpg"; break;
		case 23 : img.src = "images/slides/Slide24.jpg"; break;
		case 24 : img.src = "images/slides/Slide25.jpg"; break;
		case 25 : img.src = "images/slides/Slide26.jpg"; break;
		case 26 : img.src = "images/slides/Slide27.jpg"; break;
		case 27 : img.src = "images/slides/Slide28.jpg"; break;
		case 28 : img.src = "images/slides/Slide29.jpg"; break;
		case 29 : img.src = "images/slides/Slide30.jpg"; break;
		case 30 : img.src = "images/slides/Slide31.jpg"; break;
		case 31 : img.src = "images/slides/Slide32.jpg"; break;
		case 32 : img.src = "images/slides/Slide33.jpg"; break;
		case 33 : img.src = "images/slides/Slide34.jpg"; break;
		case 34 : img.src = "images/slides/Slide35.jpg"; break;
		case 35 : img.src = "images/slides/Slide36.jpg"; break;
		case 36 : img.src = "images/slides/Slide37.jpg"; break;
    }
}