var obsah;
var id;

function otevrit_modalni_okno(id_html) {
   id = id_html;

   //celou plochu pokryjeme
   $('#overlay').css({
      backgroundColor:	 "#000",
      opacity:			    0.8,
      width:				 $(document).width(),
      height:				 $(document).height()
   }).fadeIn();
	
   //vezmeme obsah id_html a vlozime jej do modalniho okna	
   obsah = $("#" + id).html();
   //$("#" + id_html).empty();
   
   $("#modalni_okno_center").css("display", "block");
   $("#modalni_okno_text").html(obsah);
   
   //odecita se padding modalniho okna a 
   var spacer = ($(window).height() - $("#modalni_okno").height() - 30 - $("#modalni_okno_zavrit").height()) / 2;
   spacer += document.body.scrollTop;

   $("#modalni_okno").css("marginTop", spacer).fadeIn();
      
   return false;
}

function zavrit_modalni_okno() {
   //$("#" + id).html(obsah);
   $("#modalni_okno").fadeOut();
   
   $('#overlay').fadeOut();
	$('embed, object, select').css({ 'visibility' : 'visible' });
   
   return false;
}


function dump(arr, level) {
	var dumped_text = "";
	if(!level) level = 0;
	
	//The padding given at the beginning of the line.
	var level_padding = "";
	for(var j=0;j<level+1;j++) level_padding += "    ";
	
	if(typeof(arr) == 'object') { //Array/Hashes/Objects 
		for(var item in arr) {
			var value = arr[item];
			
			if(typeof(value) == 'object') { //If it is an array,
				dumped_text += level_padding + "'" + item + "' ...\n";
				dumped_text += dump(value,level+1);
			} else {
				dumped_text += level_padding + "'" + item + "' => \"" + value + "\"\n";
			}
		}
	} else { //Stings/Chars/Numbers etc.
		dumped_text = "===>"+arr+"<===("+typeof(arr)+")";
	}
	return dumped_text;
}