function SearchExecute(){
  catcheck = false;
  searchstr = "";

  if($("#searchtext")[0].value.length > 0){
    searchstr += $("#searchtext")[0].value+" ";
  }
  $(":checkbox").each(function(){
    if(this.checked){
      if(!catcheck){
        searchstr = searchstr+'category:"'+this.value;
        catcheck = true;
      }
      else{
        searchstr = searchstr+' AND '+this.value;
      }
    }
  });

  if(catcheck){
    searchstr+='"';
  }

  $("#searchitem")[0].value = searchstr;
}