var ie = (document.all)? true : false;
var transp = 50;
var transp2 = 0;
var krokImg = 25;

function FadeInImg(ele,opacity)
{
	el = document.getElementById(ele);
	
	if (ie)
	{
		el.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity="+opacity+")";
		opacity = opacity - krokImg;
		if (opacity>=transp)
		{
			setTimeout("FadeInImg('"+ele+"',"+opacity+")",0);
		}
	}
	else
	{
		el.style.MozOpacity=parseFloat(transp/100);
	}

}


function FadeOutImg(ele,opacity)
{
	el = document.getElementById(ele);
	
	if (ie)
	{
		el.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity="+opacity+")";
		
		opacity = opacity + krokImg;
		
		if (opacity<=100)
		{
			setTimeout("FadeOutImg('"+ele+"',"+opacity+")",0);
		}
	}
	else
	{
		el.style.MozOpacity=parseFloat(100/100);
	}
	
}


var currIdImg = 0;
var currLinkImg = '';
var currWidth = 0;
var currHeight = 0;

function showMedium(id,width,height)
{
	warstwa = document.getElementById('imgMedium');
	currLinkImg = root_url+'showfoto2.php?id='+id;
	currWidth   = width;
	currHeight  = height;
	warstwa.src = root_url+"_img_galeria/medium/"+id+".jpg";
	setTimeout('document.getElementById(\'imgMedium\').src = "'+root_url+"_img_galeria/medium/"+id+".jpg\"",5);
	//warstwa.innerHTML='<a title="powiększ zdjęcie" href="javascript:dispImg(\''+root_url+'showfoto2.php?id='+id+'\','+width+','+height+',\'foto_galeria'+id+'\')">'+"<img border=0 src="+root_url+"_img_galeria/medium/"+id+".jpg></a>";
}

function showBig()
{
	dispImg(currLinkImg, currWidth, currHeight);
}



function SwapImage(img1, img2)
{
	dest = document.getElementById('banner');
	if (dest)
	{
		if (dest.src==img1)
		{
			FadeInImg2('banner',100,img2);
		}
		else
		{
			FadeInImg2('banner',100,img1);
		}
		
		setTimeout("SwapImage('"+img1+"','"+img2+"')",10000);
	}
}



function DelaySwapImage(img1,img2)
{
	var imgsb = new Array();
	imgsb[1] = new Image();
	imgsb[1].src =img2;
	
	setTimeout("SwapImage('"+img1+"','"+img2+"')",10000);
}


function FadeOutImg2(ele,opacity)
{
	el = document.getElementById(ele);

	if (ie)
	{
		el.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity="+opacity+")";
	}
	else
	{
		el.style.MozOpacity=parseFloat(opacity/100);
	}
	
	opacity = opacity + krokImg;
	
	if (opacity<=100)
	{
		setTimeout('FadeOutImg2("'+ele+'",'+opacity+')',0);
	}
}



function FadeInImg2(ele,opacity,img)
{
	el = document.getElementById(ele);

	if (ie)
	{
		el.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity="+opacity+")";
	}
	else
	{
		el.style.MozOpacity=parseFloat(opacity/100);
	}
		
	opacity = opacity - krokImg;
	if (opacity>=transp2)
	{
		setTimeout('FadeInImg2("'+ele+'",'+opacity+',"'+img+'")',0);
	}
	else
	{
		el.src=img;
		FadeOutImg2(ele,opacity);
	}
}

//