function show_large_image(url,width,height) {
	if (screen.height) {
		screenY = screen.height
		screenX = screen.width
	}
	var top = ((screenY/2)-(height/2));
	var left = ((screenX/2)-(width/2));
	x = window.open(url,'','resizable=no,status=no,scrollbars=no,width='+width+',height='+height+',top='+top+',left='+left+'');
	if (x) return false;
}

function link_new_win(url){
	x = window.open(url,'','');
	if (x) return false;
}

function tisk_karty(url){
	x = window.open(url,'','resizable=yes, scrollbars=yes, menubar=yes, width=700, height=700');
	if (x) return false;
}

function zmen_obr (url,foto) {
	if (document.getElementById) {
		document.getElementById('mainphoto').src = url;
    	if (url){
			document.getElementById('largephoto').href = foto;
    	}
    }
    return false;
}

function change_map(foto) {
	if (document.getElementById) { 
    	document.getElementById('mainphoto').src = foto;
    }
    return false;
}

function change_visual(url,foto) {
	if (document.getElementById) { 
    	document.getElementById('visualphoto').src = foto;
    	document.getElementById('hrefphoto').href = url;
    }
    return false;
}

function change_galer(foto) {
	if (document.getElementById) { 
    	document.getElementById('galerphoto').src = foto;
    }
    return false;
}

function faq_visible(id){
	if (document.getElementById('otazka'+id).style.display == "block"){
    	document.getElementById('otazka'+id).style.display = "none";
    	document.getElementById('odpoved'+id).style.display = "none";
    	document.getElementById('hr'+id).style.display = "none";
    	
	}
	else{
    	document.getElementById('otazka'+id).style.display = "block";
    	document.getElementById('odpoved'+id).style.display = "block";
    	document.getElementById('hr'+id).style.display = "block";
	}
}


$(function() {

	$('body').live('keyup', function(e) { if(e.keyCode == 27) $('.overlay').hide(); });
	$('.overlay .dialog .close').live('click', function(e) { $(this).closest('.overlay').hide(); e.preventDefault(); return false; });

});