var dbgwin;
	
	function getPrettySize(size) {
		// pod 1 MB
		if (size < 1048576) {
			return Math.round(size / 1024)+"&nbsp;kB"; 
		} else {
		// nad 1 MB
			return (Math.round((size / 1048576)*10)/10)+"&nbsp;MB";
		}
	}

	function setFileSize() {
		var tmpobj;
		var totalsize = 0;
		var xsize = 0;
		for (j = 1; j <= 5; j++) {
			tmpobj = document.getElementById('imgf'+j);
			xsize = tmpobj.fileSize ;
			parseInt(xsize);
			if(isNaN(xsize)){
			    xsize = 0 ;
			    document.getElementById('size'+j).innerHTML = 'nepodporováno';
			}
			else{
			    document.getElementById('size'+j).innerHTML = getPrettySize(xsize);
			}
			totalsize += parseInt(tmpobj.fileSize);
			if (totalsize > 10485760) {
					document.getElementById('labsize'+j).style.color = "#F60";
					document.getElementById('size'+j).style.color = "#F60";
					document.getElementById('labsizetotal').style.color = "#F60";
					document.getElementById('sizetotal').style.color = "#F60";
					document.getElementById('f'+j).style.background = "#F60"
					document.getElementById('f'+j).disabled = true;
			}
		}
		parseInt(totalsize);
		if(isNaN(totalsize)){
		    document.getElementById('sizetotal').innerHTML = '-';
		}
		else{
		    document.getElementById('sizetotal').innerHTML = getPrettySize(totalsize);
		}
	}
	
	function set_name(i) {
		eval("fn = document.forms.upform.f"+i+".value");
		if (fn != "") {
			var pattern = /^.*[\/\\](.*)\..{3,4}$/i;
			eval("document.forms.upform.nf"+i+".value = fn.replace(pattern,\"$1\")");
			img = document.getElementById('imgf'+i);
			fn = 'file:///' + fn ;
			img.src = fn;
			
		} else {
			eval("document.forms.upform.nf"+i+".value = ''");
			img = document.getElementById('imgf'+i);
			img.src = "#";
			setTimeout('setFileSize()', 500);
		}
	}