function testcookie(text){
	var vyprs=new Date();
	var cookieList=document.cookie;
	if(cookieList == ""){
		vyprs.setDate(365 + 365 + vyprs.getDate());
		document.cookie="testzapisu=ok; expires="+vyprs.toGMTString()+";";
		cookieList=document.cookie;
		if(cookieList == ""){
		  alert(text);
		}
	}
}

obr1=new Image(); obr1.src="./../menu/images/clanky_on.gif";
obr2=new Image(); obr2.src="./../menu/images/clanky_off.gif";

obr3=new Image(); obr3.src="./../menu/images/podniky_on.gif";
obr4=new Image(); obr4.src="./../menu/images/podniky_off.gif";

obr5=new Image(); obr5.src="./../menu/images/podniky_aktiv_zalozka.gif";
obr6=new Image(); obr6.src="./../menu/images/clanky_aktiv_zalozka.gif";

obr7=new Image(); obr7.src="./../menu/images/podniky_aktiv_text.gif";
obr8=new Image(); obr8.src="./../menu/images/clanky_aktiv_text.gif";


function resetfilter(phrase, _id){
  document.getElementById(phrase).value = " ";
  filter(phrase, _id);
}

function filter (phrase, _id){

  var phraseval = document.getElementById(phrase).value;
  var words = phraseval.toLowerCase().split(" ");
  var table = document.getElementById(_id);
  var ele;

	for (var r = 1; r < table.rows.length; r++){
		ele = table.rows[r].innerHTML.replace(/<[^>]+>/g,"");
	  var displayStyle = 'none';
	  for (var i = 0; i < words.length; i++) {
		  if (ele.toLowerCase().indexOf(words[i])>=0){
			  displayStyle = '';
	    } else {
			  displayStyle = 'none';
			  break;
	    }
    }
		table.rows[r].style.display = displayStyle;
	}
}