function popup(url, title, pwidth, pheight)
{
	if (window.screen.width > 800)
	{
		ptop = 100;
		pleft = 100;
	}
	else
	{
		ptop = 5;
		pleft = 2;
	}
	
	var x = window.open(url, title, 'toolbar=no, menubar=no, locaion=no, directories=no, scrollbars=yes, resizable=yes, status=no, width='+pwidth+', height='+pheight+', top='+ptop+', left='+pleft+'');
	x.focus();
	if (x) return false;
}

function gEbI(obj) {
	return document.getElementById(obj);
}

function galerie(imgbig,img,gitem,alt) {							

	var galitm = gEbI('fotogalery').getElementsByTagName('div');
	
	for(i=0;i<galitm.length;i++) {
		galitm[i].className = 'img';
	}

	gitem.parentNode.className = 'img selected';

	var mainimg = gEbI('mainfoto');
	mainimg.src = imgbig;
	mainimg.alt = mainimg.title = alt;

	var mainimglink = gEbI('mainfotolink');
	mainimglink.href = img;
	mainimglink.alt = mainimglink.title = alt;
	
	return false;
}

////////////////////////////////////////////////////
// photo gallery
////////////////////////////////////////////////////
// photo id
pid = '1';

function gallery(photoid,imgbig,img,gitem,alt)
{
	var galitm = gEbI('photogallery').getElementsByTagName('div');
	
	for(i=0;i<galitm.length;i++)
	{
		galitm[i].className = 'img';
	}

	// add photo id
	pid = photoid;
	
	gitem.parentNode.className = 'img selected';

	var mainimg = gEbI('mainfoto');
	mainimg.src = imgbig;
	mainimg.alt = mainimg.title = alt;

	var mainimglink = gEbI('mainfotolink');
	mainimglink.href = img;
	mainimglink.alt = mainimglink.title = alt;

	return false;
}

function opengallery(photonum,photoid)
{
	if (photoid == '0')
	{
		currentphoto = gEbI('photo'+pid).href;
		currentphotoalt = gEbI('photo'+pid).alt;
		prevphotoid = 1;
	}
	else
	{
		currentphoto = gEbI('photo'+photoid).href;
		currentphotoalt = gEbI('photo'+photoid).alt;
		pid = photoid;
	}
	
	if (pid > 1)
	{
		prevphotoid = pid - 1;
		prevbutton = '<img id="prev_photo" onclick="return opengallery('+photonum+','+prevphotoid+');" src="http://www.emigrace.com/tpl/espoo/img/prev_photo.gif" title="" />';
	}
	else
	{
		prevbutton = '<img id="prev_photo" src="http://www.emigrace.com/tpl/espoo/img/empty_button.png" title="" class="empty_button" />';
		prevphotoid = prevphotoid - 1;
	}
	
	if (photonum > pid)
	{
		nextphotoid = prevphotoid + 2;
		nextbutton = '<img id="next_photo" onclick="return opengallery('+photonum+','+nextphotoid+');" src="http://www.emigrace.com/tpl/espoo/img/next_photo.gif" title="" />';
	}
	else
	{
		nextbutton = '<img id="next_photo" src="http://www.emigrace.com/tpl/espoo/img/empty_button.png" title="" />';
		nextphotoid = '';
	}

	document.getElementById('bigphotospace').innerHTML = '<div id="photoshade">'+'<div id="photoframe">'+'<img src="'+currentphoto+'" alt=""  title="" onclick="return closegallery(this);" id="bigphoto">'+prevbutton+''+nextbutton+'<img src="http://www.emigrace.com/tpl/espoo/img/close_photo.gif" alt="" title="" id="close_photo" onclick="return closegallery(this);">'+'</div>'+'</div>';

	return false;
}

function closegallery()
{
	var mainimg = gEbI('mainfoto');
	mainimg.src = currentphoto;
	document.getElementById('photoshade').style.display='none';
}