var W3CDOM = (document.getElementById && document.getElementsByTagName);

var mouseOvers = new Array();

var mouseOuts = new Array();



// init top menu

function topOversInit()

{

	if (!W3CDOM) return;

	var nav = document.getElementById('top-links');

	var imgs = nav.getElementsByTagName('img');

	for (var i=0;i<imgs.length;i++)

	{

		imgs[i].onmouseover = mouseGoesOver;

		imgs[i].onmouseout = mouseGoesOut;

		var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));

		mouseOuts[i] = new Image();

		mouseOuts[i].src = imgs[i].src;

		mouseOvers[i] = new Image();

		mouseOvers[i].src = imgs[i].src.substring(0,imgs[i].src.lastIndexOf('.')) + "-x" + suffix;

		imgs[i].number = i;

	}

}



function mouseGoesOver()

{

	this.src = mouseOvers[this.number].src;

}



function mouseGoesOut()

{

	this.src = mouseOuts[this.number].src;

}





function showImg(imgFile, width, height, selImg, selPos, lang, imgCount, captionLen) {

	y = 0

	width=width+20

	height=height+35+(selImg!="")*20 + Math.floor(captionLen/(width/7.5))*15



	if(height > screen.availHeight-30)

  { ah = screen.availHeight-30

  	sbars=1

	width=width+14

  }

  else 

  { ah=height;

  	sbars=0

    if (screen.availHeight-height > 100)

    {  y = (screen.availHeight-height)/5

  }

  }



  x = (screen.width/3)-(width/3)

  if (x < 0) {x=0;}



  ustawienia="width="+width+",height="+ah

			+",top="+y+",left="+x

			+",resizable=1,status=0,scrollbars="+sbars

  windowName=window.open("show-image.php?file=" + imgFile + "&selection_image="+selImg+"&selection_position="+selPos + "&lang=" + lang,"larguier"+imgCount,ustawienia)

  windowName.focus()

}