function redirect(url)
{
	window.location = url;
}

function checkField(formName, formField)
{
	var field = document.getElementById(formField);
	
	
	if(field.value.length < 3)
	{
		alert('Prosimy podać min. 3 znaki');
		field.focus();
		return;
	}
	
	document.forms[formName].submit();
	return ;
}

function popUp(url, width, height)
{
	newWindow = window.open(url, 'CMS', 'menubar=no, toolbar=no, location=no, scrollbars=yes, resizable=yes, status=no, width='+width+', height='+height);
}

function addfav()
{
	if (document.all)
     {
		window.external.AddFavorite("http://www.webdevelopersnotes.com","WebDevelopersNotes")
	}
}

//zaznaczanie i odznaczanie checkboxow
function checkboxAdmin(name, maxId, check)
{
	for(var i = 0; i < maxId; i++)
	{
		if(document.getElementById(name + '_' + i))
		{
			document.getElementById(name + '_' + i).checked = check;
		}
	}
}

function correctPNG() // correctly handle PNG transparency in Win IE 5.5 or higher.
{
        for(var i=0; i<document.images.length; i++)
	{
		var img = document.images[i]
		var imgName = img.src.toUpperCase()
		if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
		{
			var imgID = (img.id) ? "id='" + img.id + "' " : ""
			var imgClass = (img.className) ? "class='" + img.className + "' " : ""
			var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
			var imgStyle = "display:inline-block;" + img.style.cssText
			var imgAttribs = img.attributes;
			for (var j=0; j<imgAttribs.length; j++)
			{
				var imgAttrib = imgAttribs[j];
				if (imgAttrib.nodeName == "align")
				{
					if (imgAttrib.nodeValue == "left") imgStyle = "float:left;" + imgStyle
					if (imgAttrib.nodeValue == "right") imgStyle = "float:right;" + imgStyle
					break
				}
			}
			var strNewHTML = "<span " + imgID + imgClass + imgTitle
			strNewHTML += " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
			strNewHTML += "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
			strNewHTML += "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
			if(img.className != 'sideboxstar') {
				img.outerHTML = strNewHTML
				i = i-1
			}
		}
		
	}
}

if(navigator.appName == 'Microsoft Internet Explorer')
    window.attachEvent("onload", correctPNG);