var p = new Array ("img/system/sipka.gif", "img/system/pozadi.gif")
var o = new Array (p.length)
for (var i=0 ; i<p.length ; i++){
o[i] = new Image ()
o[i].src = p[i]
}

function initQ(q)
{
  var defaultQ = "hledaný výraz...";
  q.value = defaultQ;
  q.onfocus = function()
  {
    if(this.value == defaultQ) this.value = "";
  };
  q.onblur = function()
  {
    if(!this.value) this.value = defaultQ;
  };
}