var wheight = 50;
	var wwidth = 50;
	var img = new Image();
	img.src = "/img/pixel.gif";
//	image_resolution();
	

	function fupload()
	{
		var ok = false;
		for (i=0;i<=9;i++)
		{
			ok = (document.getElementById("file"+i).value.length>0)?true:ok;
		}
		if(ok) 
		{
			for (i=0;i<=9;i++)
			{
				if (document.getElementById("file"+i).value.length>0)
				{
					document.getElementById("file"+i).readOnly=true;
				}
				else
				{
					document.getElementById("file"+i).disabled=true;
				}
				
			}
			document.getElementById("upload").className="invisible";
			top.frames[0].document.location.replace(strreplace1);
			top.frames[0].frameborder=0;
		}
		else 
		{
			alert('Pro upload není zvolen žádný soubor!');
		}
	}
	
	function klikni()
	{
		var OHidden = new Object();
		OHidden = document.getElementById("file0").cloneNode();
		OHidden.id= "filex";
		OHidden.name= "filex";
		alert(OHidden.value)
   		document.body.insertBefore(OHidden);
   		alert(OHidden.fileSize);
	}
		
	function image_resolution()
	{
		w=img.width;
		h=img.height;
//		alert(w+" "+h);
	 	if (w/h>=wwidth/wheight)
   		{
   			img.height = parseInt((wwidth/w)*h);
   			img.width=wwidth;
   		}
   		else
   		{
   			img.width=(wheight/h)*w;
   			img.height = wheight;
   		}
	}
		
	function fch_image(id)
	{
//		document.getElementById("image"+id).className="invisible";
        o = document.getElementById("file"+id);
		img.src = document.getElementById("file"+id).value;
//		alert(document.getElementById("ahref"+id).href);
//		alert(img.width+" "+img.height);
		image_resolution(img);
		document.getElementById("ahref"+id).href=img.src;
		document.getElementById("image"+id).src=img.src;
		document.getElementById("image"+id).width=img.width;
		document.getElementById("image"+id).height=img.height;
//		fshow_pic(id)
//		alert(img.width+" "+img.height);
//		alert(1);
	}
	
	function fshow_pic(id)
	{
//	   alert('x');
		document.getElementById("image"+id).className="";
	}