var min=8;
var max=18;

function increaseFontSize() {
   var p = document.getElementsByTagName('p');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 12;
      }
      if(s!=max) {
         s += 1;
      }
      p[i].style.fontSize = s+"px"
   }
}

function decreaseFontSize() {
   var p = document.getElementsByTagName('p');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 12;
      }
      if(s!=min) {
         s -= 1;
      }
      p[i].style.fontSize = s+"px"
   }   
}

function addToShop(id){
	dojo.io.bind({
		url: "addToShop.php?activityId="+id,
		method: "get",
		load: function(type,data,evt) {
			if(data) {
				document.getElementById("addToShop").innerHTML = data;
			}else
				document.getElementById("addToShop").innerHTML = "Added to shop";
		},
		error: function(type, error) {
			;
		},
		mimetype: "text/html"
	});
}

function removeFromShop(id){
	removeFromShop(id, 0);
}

function removeFromShop(id, reload){
	dojo.io.bind({
		url: "removeFromShop.php?activityId="+id,
		method: "get",
		load: function(type,data,evt) {
			if( reload )
				window.location.reload( true );
			else
				document.getElementById("addToShop").innerHTML = addToShop(0);
		},
		error: function(type, error) {
			;
		},
		mimetype: "text/html"
	});
}

function showPictures(id){
	showPictures(id, 0);
}

function showPictures(id, position){
	dojo.io.bind({
		url: "showPictureAlbum.php?refId="+id+"&position="+position,
		method: "get",
		load: function(type,data,evt) {
			document.getElementById("popupplace").innerHTML = data;
		},
		error: function(type, error) {
			;
		},
		mimetype: "text/html"
		});
}

function showActivityPictures(id, position){
	dojo.io.bind({
		url: "showActivityPictureAlbum.php?activityId="+id+"&position="+position,
		method: "get",
		load: function(type,data,evt) {
			document.getElementById("popupplace").innerHTML = data;
		},
		error: function(type, error) {
			;
		},
		mimetype: "text/html"
		});
}
function showPicture(url){
	showPicture(url, 'Foto', '');
}

function showPicture(url, title, description){
	dojo.io.bind({
		url: "showPicture.php?url="+url+"&title="+title+"&descr="+description,
		method: "get",
		load: function(type,data,evt) {
			document.getElementById("popupplace").innerHTML = data;
		},
		error: function(type, error) {
			;
		},
		mimetype: "text/html"
		});
}

function showPictureMaxSize(url, title, description){
	dojo.io.bind({
		url: "showPictureMaxSize.php?url="+url+"&title="+title+"&descr="+description,
		method: "get",
		load: function(type,data,evt) {
			document.getElementById("popupplace").innerHTML = data;
		},
		error: function(type, error) {
			;
		},
		mimetype: "text/html"
		});
}

function showBigImage(url){
	document.getElementById("bigimage").innerHTML = "<img src=\""+url+"\" style=\"max-width:540px; max-height:500px;\"/>";
}

function closePopup() {
	document.getElementById("popup").style.visibility = "hidden";
}