//******************************************************************************
var gallmakeZoom_ajax;
var gallmakeZoom_image;

function gallmakeZoom(foto)
{
	gallmakeZoom_image = document.getElementById('gallmake_zoom_image');
	gallmakeZoom_image.style.display = 'none'; 
	
	gallmakeZoom_ajax = GetXmlHttpObject();
	if (gallmakeZoom_ajax == null) { return; }
	
	var url = 'gallmake/engine/zoom.php?ajax=gallmake&foto='+foto;
	
	gallmakeZoom_ajax.onreadystatechange = gallmakeZoom_loading;
	gallmakeZoom_ajax.open("GET",url,true);
	gallmakeZoom_ajax.send(null);
	
}


function gallmakeZoom_loading()
{
	if (gallmakeZoom_ajax.readyState == 4) 
	{ 
		gallmakeZoom_image.src = gallmakeZoom_ajax.responseText; 
		$('#gallmake_zoom_image').fadeIn('slow', function() {
        // Animation complete
      });
   }
   else {}
}



//******************************************************************************
// zmiana przezroczystosci 
// element - id obrazka, value - wartosc przezroczystosci
function gallmake_opacity(element, value)
{
	element=document.getElementById(element);

	value = parseFloat(value);
	if(isNaN(value)) { return null; }
	
	
	if(typeof element.style.opacity!="undefined") 
	{ 
		if(value>1) { value/=100; } 
	
		element.style.opacity=value;
		return value;
	}
	else if(typeof element.style.filter!="undefined")
	{
		if(value<=1 && value>0) { value*=100; }
		element.style.filter="alpha(opacity="+value+")";
		return value;
	}
	return null;
}