// JavaScript Document
function setCookie(c_name,value,expiredays)
{
var exdate=new Date()
exdate.setDate(exdate.getDate()+expiredays)
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate)
}

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=")
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1 
    c_end=document.cookie.indexOf(";",c_start)
    if (c_end==-1) c_end=document.cookie.length
    return unescape(document.cookie.substring(c_start,c_end))
    } 
  }
return null
}

// vysouvacu panely s napovedou
var activ='';
function zobrazSkryj(idecko){	
	el=document.getElementById(idecko).style;
	if(el.display == 'block'){
		el.display='none';
		activ='';
	}
	else
	{			
		if(activ!='') document.getElementById(activ).style.display='none';
		el.display='block';
		activ=idecko;		
	}
}

// oznacení aktivnivního a neaktivního tarifu
function disable(nazev,count)
{
	el=document.forms[nazev];
	if(el.elements[0].checked)
		for(i=1;i<count;i++) el.elements[i].style.color = '#000'			
	else 
		for(i=1;i<count;i++)
			el.elements[i].style.color = '#ddd'	
}	

//zobrazi sbmenu
function menu(text)
{
	rw=text+1;
	
	for(i=1;i<8;i++)
	{		
		rq="odkaz"+i+1;		
		if(rq!==rw){
			document.getElementById(rq).style.background="none";
			document.getElementById(rq).style.padding="0";
			document.getElementById(rq).style.height="12px";
			document.getElementById(rq).style.color="#fff";			
		}
		else
		{
			document.getElementById(rq).style.background="#ddd";
			document.getElementById(rq).style.padding="5px";
			document.getElementById(rq).style.height="15px";			
			document.getElementById(rq).style.color="#ff6600";
		}
	}	
	odkazy=document.getElementById(text).innerHTML;
	document.getElementById("submenu").innerHTML=odkazy;
	
	setCookie('submenu',text)
}
//nacte sbmenu
function loadmenu()
{
	if(getCookie('submenu'))text = getCookie('submenu');
	menu(text);			
}

function tag()
{
	theSelection = document.selection.createRange().text;
	if(theSelection)
	{
		document.selection.createRange().text = "<b>" + theSelection + "</b>";	
	}
}