function switchNA(img_obj)
			{
			if (img_obj.src.indexOf('_n_')>0)
				img_obj.src=img_obj.src.replace('_n_','_a_');
				else
				img_obj.src=img_obj.src.replace('_a_','_n_');
			}
		function switchToA(img_obj)
			{
				img_obj.src=img_obj.src.replace('_n_','_a_');
			}
		function switchToN(img_obj)
			{
				img_obj.src=img_obj.src.replace('_a_','_n_');
			}
	 	 function openPictureIn640(picPath)
	 {
	 sFeatures =
'width=641,height=481,directories=no,channelmode=no,left=10,top=10,location=no,menubar=no,resizable=yes,scrollbars=no,status=no,toolbar=no';
	 oNewWindow = window.open('photo.htm?'+picPath,'_blank', sFeatures)
	 }

	 	 function openPictureIn640v(picPath)
	 {
	 sFeatures =
'width=481,height=641,directories=no,channelmode=no,left=10,top=10,location=no,menubar=no,resizable=yes,scrollbars=no,status=no,toolbar=no';
	 oNewWindow = window.open('photo.htm?'+picPath,'_blank', sFeatures)
	 }

function showImage(imgName)
		{
		window.open('http://www.zahradnictvikrhut.cz/_img_semena/'+imgName,'sImage','width=450px,height=400px',false)
		
		}