function JE_EMAIL(txt){var x = new RegExp('^[^@]+@([a-z,A-Z,0-9,_,-]+[.]{1})+[a-z,A-Z,0-9]{2,5}$'); if (x.exec(txt.toLowerCase())==null) return 0; else return 1;}
function show(id) {if (document.getElementById(id).style.display=='none') document.getElementById(id).style.display='block'; else document.getElementById(id).style.display='none';}
function showk(id,dir) {show('kategorie-'+id); if (document.getElementById('kimg'+id).src.indexOf('eshopbaby-r-plus.gif')>-1) document.getElementById('kimg'+id).src=dir+'/eshopbaby-r-minus.gif';	else document.getElementById('kimg'+id).src=dir+'/eshopbaby-r-plus.gif';}
function scrollit() {document.getElementById('message').style.top=document.body.scrollTop + top + 'px';}
function regnews() {if(JE_EMAIL(document.getElementById('enov').value)==0) {alert('pro registraci novinek musí být e-mail zadán ve správném formátu'); return false;} else {return true;}}
function myParseFloat(str){str=''+str+''; var value=str.match('[-]{0,1}(?:[1-9]+[0-9]*[,.]{0,1}[0-9]*)|(?:0[,.][0-9]*)'); if(value!=null && value.length>0){value[0]=value[0].replace(',','.'); value=parseFloat(value[0])*1; return value;}else{return 0;}}
function addEvent(elm, evType, fn, useCapture) {if (elm.addEventListener) {elm.addEventListener(evType, fn, useCapture); return true;} else if (elm.attachEvent) {var r = elm.attachEvent('on'+evType, fn); return r;} else {alert('Došlo k chybě při práci s event');}}

var Kolotoc = function(id, topSledNum, perioda) {
	var perioda = perioda,
			topsled = document.getElementById(id).childNodes,
			topSledNum = topSledNum,
			rnd = [];

	this.Roztocit = function() {
	  clear()
		random();
		show();
	}
	var random = function() {
		for (var i = 0; i < topSledNum; i++) {
			rnd[i] = Math.floor(Math.random()*(topsled.length - 1));
			for (var j = 0; j < rnd.length - 1; j++) {
				if (rnd[j] == rnd[i]) {
				  i = i - 1;
				  break;
				}
			}
		}
	}
	var clear = function() {
		for(var i = 0; i < rnd.length - 1; i++)
		  topsled[i].style.display = 'none';
  	rnd = [];
	}
	var show = function() {
		for(var i = 0; i < rnd.length - 1; i++)
			topsled[rnd[i]].style.display = 'block';
	}

	if (topSledNum < topsled.length) {
		this.Roztocit();
		var interval = window.setInterval(this.Roztocit, perioda*1000);
		var el = document.getElementById(id)
	}
}

function switchElements(id1, id2)
{
	function vymena(a, b)
	{
	  if (a.nodeName!='DIV' || b.value=='') {
			a.style.display = 'block';
			a.focus();
			b.style.display = 'none';
		}
	}
	var x = document.getElementById(id1);
	var y = document.getElementById(id2);
	if (x.style.display == 'block;')
		vymena(x, y);
	else
		vymena(y, x);
}

$(document).ready(function() {
	var lgn = $('#id_loginform');
	var psw = $('#id_password');
	lgn.blur(function() { if(lgn.val().length==0) lgn.removeClass('bg-inp0').addClass('bg-inp1')});
	lgn.focus(function(){ if(lgn.val().length==0) lgn.addClass('bg-inp0').removeClass('bg-inp1')});
	psw.blur(function() { if(psw.val().length==0) psw.removeClass('bg-inp0').addClass('bg-inp2')});
	psw.focus(function(){ if(psw.val().length==0) psw.addClass('bg-inp0').removeClass('bg-inp2')});
});

function doprava(id)
{
	for(i=0;i<obj_doprav.length;i++)
	  {
	    document.getElementById('id_obj_doprav_div_'+obj_doprav[i]).style.background='#ffffff';
	    document.getElementById('id_obj_plateb_div_'+obj_doprav[i]).style.display='none';
		}
  document.getElementById('id_obj_doprav_div_'+id).style.background='#f1f1f1';
  document.getElementById('id_obj_doprav_input_'+id).checked='true';
  var platby = document.getElementById('id_obj_plateb_div_'+id);
  var inp = platby.getElementsByTagName('input');
  platby.style.display='block';
  inp[0].checked='true';
}