function LoadURL(url)
{
	var frm = window.frames.page;
	if(frm!=null)
	{
		frm.location.href = url;
	}
}
function LoadMainURL(url)
{
	var frm = window.parent.frames.main_frm.frames.page;
	if(frm!=null)
	{
		frm.location.href = url;
	}
}
function LoadPageFrame(url)
{
	var frm = window.parent.frames.main_frm.frames.page;
	if(frm!=null)
	{
		frm.location.href = url;
	}
}
function LoadMainFrame(url)
{
	var frm = window.parent.parent.frames.main_frm;
	if(frm!=null)
	{
		frm.location.href = url;
	}
}
function LoadHiddenURL(url)
{
	var frm = top.frames.load_frm;
	if (frm!=null) frm.location.href=url;
}

function InitFrame()
{
	if (parent.document.all["page"]!=null)
	{	
		dataItem = document.getElementById("data");
		if (dataItem!=null) parent.document.all["page"].height = dataItem.offsetHeight+30;
	}
}

function CheckEMail(mail)
{
	var arr = mail.split("@");
	if (arr.length!=2) return false;
	return true;
}

function CheckInt(text)
{
	if (text=="") text="0";
	for (i=0; i<text.length; i++)
		if (text.charAt(i)<'0' || text.charAt(i)>'9') return false;
	return true;
}
function MandatoryCheck()
{
	for (i=0; i<arguments.length; i++)
		if (arguments[i].replace(/ /,"")=="")
	{
		//alert("Jedno alebo viac povinných polí nie sú vyplnené. Skontrolujte zadané údaje, povinné polia sú označené tučným písmom.");
		return false;
	}
	return true;
}

function LoginBtnClick()
{
	var frm = window.parent.frames.top_frm;
	if (frm!=null)
	{
		var btn = frm.document.getElementById("mbtn_1");
		if (btn!=null)
		{
			if (btn.title=="login")
			{
				LoadMainURL('intro.php?page=login.html');
			}
			else
			{
//				LoadMainURL('../apps/logout.php');
				LoadHiddenURL('../apps/logout.php');
			}
		}
	}
}

function SetLoginButton(loggedIn)
{
	var frm = window.parent.frames.top_frm;
	if (frm!=null)
	{
		var btn = frm.document.getElementById("mbtn_1");
		if (btn!=null)
		{
			if (loggedIn==true)
			{
				btn.innerHTML = "&nbsp;Odhlásiť&nbsp;";
				btn.title="logout";
	//			btn.onclick=LoadMainURL('../apps/logout.php');
			}
			else
			{
				btn.title="login";
				btn.innerHTML = "&nbsp;Prihlásiť&nbsp;";
//				btn.onclick="LoadMainURL('intro.php?page=login.html');"
			}
		}
	}
}



function showImage(url)
{
	open(url, 'image', 'width=240, height=320, status=no, menubar=no, location=no, left=100, top=100', true);
}