function windowopen(url,windowname,left,top,width,height){
  windowopen_advance(url,windowname,left,top,width,height,0,0,0,0,0,1,1);
}

function windowopen_advance(url,windowname,left,top,width,height,toolbar,location,directories,status,menubar,scrollbars,resizable){
  var win;
win=window.open(url,windowname,'toolbar='+toolbar+',location='+location+',directories='+directories+',status='+status+',menubar='+menubar+',scrollbars='+scrollbars+',resizable='+resizable+',left='+left+',top='+top+',width='+width+',height='+height);
  win.focus();
}

function w(url,width,height,top,left)
{
	var win = window.open(url,'','scrollbars=yes,location=no,resizable=yes,left='+left+',top='+top+',width='+width+',height='+height);
	if (win)
		return false;
	else
		return true
}

function buttondown(text)
{ 
	if(document.forms['download'].nazev.value=='' || document.forms['download'].ulice.value=='' || document.forms['download'].mesto.value=='' || document.forms['download'].psc.value=='' || document.forms['download'].jmeno.value=='' || document.forms['download'].prijmeni.value=='' || document.forms['download'].email.value=='')
	{
		window.alert(text);
		return false;
	}
}

function diskuse(text)
{
	if(document.forms['dform'].subject.value=='' || document.forms['dform'].autorname.value=='' || document.forms['dform'].diskusetext.value.length<=0)
	{
		window.alert(text);
		return false;
	}
}

function NapisteNam(text)
{
	if(document.forms['fnapsat'].predmet.value=='' || document.forms['fnapsat'].text.value.length<=0)
	{
		window.alert(text);
		return false;
	}
}

function KontaktDetail(cislo)
{
	var e2 = document.getElementById('e'+cislo);
	var e3 = document.getElementById('h'+cislo);

//	alert(e2.style.backgroundColor);	
	if(navigator.appName == 'Microsoft Internet Explorer')
	{
	 e2.style.color=(e2.style.color=='#ffffff')?'':'#ffffff';
   e2.style.backgroundColor=(e2.style.backgroundColor=='#006067')?'':'#006067';
	 e3.style.color=(e3.style.color=='#ffffff')?'':'#ffffff';
  }
	else
	{
	 e2.style.color=(e2.style.color=='rgb(255, 255, 255)')?'':'rgb(255, 255, 255)';
   e2.style.backgroundColor=(e2.style.backgroundColor=='rgb(0, 96, 103)')?'':'rgb(0, 96, 103)';
	 e3.style.color=(e3.style.color=='rgb(255, 255, 255)')?'':'rgb(255, 255, 255)';

	}
	
	


  
  
  var visible;
  var el = document.getElementById('d'+cislo);

	if(navigator.appName == 'Microsoft Internet Explorer')
	{
		visible = 'block'; /* jen pro IE */
  }
	else
	{
		visible = 'table-row'; /* ostatni prohlizece */
	}     
	el.style.display=(el.style.display == visible)?'none':visible;
}

function KontaktDetail2(cislo)
{
    var o = document.getElementById('x'+cislo);
    var visible;
 

	if(navigator.appName == 'Microsoft Internet Explorer')
	{
		visible = 'block'; /* jen pro IE */
  }
	else
	{
		visible = 'table-row'; /* ostatni prohlizece */
	}     
	o.style.display=(o.style.display == visible)?'none':visible;
}

function TZDetail(cislo,pocet)
{
	var tz = document.getElementById('tz'+cislo);

	for (i=0;i<=pocet;i++)
	{
		el = document.getElementById('tz'+i);
		el.style.display='none';
	}
    
	tz.style.display='block';
    window.location.hash='#tza'+cislo;
}

function MTDetail(cislo,pocet)
{
	var mt = document.getElementById('mt'+cislo);

	for (i=0;i<=pocet;i++)
	{
		el = document.getElementById('mt'+i);
		el.style.display='none';
	}

	mt.style.display='block';
    window.location.hash='#mta'+cislo;
    //použito getelementbyid("mta"+cislo).scrollintoview(true);
}