function jp()
{
return confirm('Jesteś pewien?');
}

function jpu()
{
return confirm('Jesteś pewien, że chcesz usunąć?');
}

function hasClass(obj)
{
	var result = false;
	if (obj.getAttributeNode("class") != null) {
		result = obj.getAttributeNode("class").value;
	}
	return result;
}

var trtdclasses=Array();
function pdswtr(tr,pc)
{
	var tds = tr.getElementsByTagName("td");
	for (var i = 0; i < tds.length; i++)
	{
		trtdclasses[i]=tds[i].style.backgroundColor;
		tds[i].style.backgroundColor=pc;
	}
	return false;
}
function zgastr(tr)
{
	var tds = tr.getElementsByTagName("td");
	for (var i = 0; i < tds.length; i++)
	{
		tds[i].style.backgroundColor=trtdclasses[i];
	}
	return false;
}

function stripe(id)
{
	var table = document.getElementById(id);
	if (! table) { return; }

	var podswColor = arguments[3] ? arguments[3] : "#f0f0f0";
	var trs=table.getElementsByTagName('tr');
	for(var j=0;j<trs.length;j++)
	{
		if(trs[j].parentNode.nodeName=='TBODY' && trs[j].parentNode.nodeName!='TFOOT')
		{
		trs[j].onmouseover=function(){pdswtr(this,podswColor);return false}
		trs[j].onmouseout=function(){zgastr(this);return false}
		}
	}

	var parz = false;
	var parzColor = arguments[1] ? arguments[1] : "#ffffff";
	var niepColor = arguments[2] ? arguments[2] : "#f8f8f8";
	var tbodies = table.getElementsByTagName("tbody");
	for (var h = 0; h < tbodies.length; h++)
	{
		var trs = tbodies[h].getElementsByTagName("tr");
		for (var i = 0; i < trs.length; i++)
		{
			if (!trs[i].style.backgroundColor)
			{
				var tds = trs[i].getElementsByTagName("td");
				for (var j = 0; j < tds.length; j++)
				{
					var mytd = tds[j];
					if (!mytd.style.backgroundColor)
					{
						mytd.style.backgroundColor = parz ? parzColor : niepColor;
					}
				}
			}
			parz =  ! parz;
		}
	}
}