var nInt = 4;
var currInt=0;
var Wint;
var Hint;
Wint = new Array(413,413,600,413)
Hint = new Array(550,550,450,550)

var intrn;
intrn= new Array();
intrn[0]=new Image;
intrn[0].src='galleria/thumbs/int1.jpg';
intrn[1]=new Image;
intrn[1].src='galleria/thumbs/int2.jpg';
intrn[2]=new Image;
intrn[2].src='galleria/thumbs/int3.jpg';
intrn[3]=new Image;
intrn[3].src='galleria/thumbs/int4.jpg';


var nExt = 4;
var currExt = 0;
var Wext;
var Hext;
Wext = new Array(600,600,600,600)
Hext = new Array(384,450,450,400)

var extrn;
extrn= new Array();
extrn[0]=new Image;
extrn[0].src='galleria/thumbs/ext1.jpg';
extrn[1]=new Image;
extrn[1].src='galleria/thumbs/ext2.jpg';
extrn[2]=new Image;
extrn[2].src='galleria/thumbs/ext3.jpg';
extrn[3]=new Image;
extrn[3].src='galleria/thumbs/ext4.jpg';


var nPar =5;
var currPar = 0;
var Wpar;
var Hpar;
Wpar = new Array(413,413,600,413,413)
Hpar = new Array(550,550,450,550,550)

var prtclr;
prtclr= new Array();
prtclr[0]=new Image;
prtclr[0].src='galleria/thumbs/par1.jpg';
prtclr[1]=new Image;
prtclr[1].src='galleria/thumbs/par2.jpg';
prtclr[2]=new Image;
prtclr[2].src='galleria/thumbs/par3.jpg';
prtclr[3]=new Image;
prtclr[3].src='galleria/thumbs/par4.jpg';
prtclr[4]=new Image;
prtclr[4].src='galleria/thumbs/par5.jpg';


function nextImage(t){
	if(t=="int"){
		currInt = currInt+1
		if(currInt>=nInt){currInt=0}
		document.getElementById(t).src=intrn[currInt].src;
	}
	else if(t=="ext"){
		currExt = currExt+1
		if(currExt>=nExt){currExt=0}
		document.getElementById(t).src=extrn[currExt].src;
	}
	else if(t=="par"){
		currPar = currPar+1
		if(currPar>=nPar){currPar=0}
		document.getElementById(t).src=prtclr[currPar].src;
	}
}

function openWin(objSrc,t){
	var pathImage = objSrc;
	pathImage = pathImage.replace("thumbs","img");	
	var w = 200;
	var h = 400;
	if(t=="int"){
		w = Wint[currInt];
		h = Hint[currInt];
	}
	else if(t=="ext"){
		w = Wext[currExt];
		h = Hext[currExt];
	}
	else if(t=="par"){
		w = Wpar[currPar];
		h = Hpar[currPar];
	}

	var l = Math.floor((screen.width-w)/2);
  var t = Math.floor((screen.height-h)/2);
	var opzioni = "width=" + w + ",height=" + h + ",top=" + t + ",left=" + l+"toolbar=0,scrollbars=0,menubar=0"
  window.open("viewImage.asp?src="+pathImage,"viewImge",opzioni);
}