function gup( name )
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}

$(document).ready(function(){

	$(window).scroll(function(){
	
		var scrollTop = $(window).scrollTop();
		if(scrollTop < 1) {
			
			$("#user_bar").removeClass("user_bar_scroll_bg");
		
		} else {
		
			$("#user_bar").addClass("user_bar_scroll_bg");
		
		}
	
	});

	var search_query = gup("query");

	search_base_val = $("input#search").val();
	
	if(search_base_val == search_query) {
		$("input#search").addClass("selected");
	}
	
	$("input#search").focus(function(){
		var search_value = $(this).val();
		
		if(search_query != search_base_val) {
			$("input#search").addClass("selected");	
			$("input#search").val("");
		}

	});

	$("input#search").blur(function(){
		var search_value = $(this).val();

		if(search_value == "" && (search_base_val != search_query)) {
			$("input#search").removeClass("selected");
			$("input#search").val(search_base_val);
		}
		
	});
	
	
	
	
	$('#switch_language').mouseover(function() {
		$('#select_list_language').show();
		$(this).addClass("active");
		return false;
	});

	$(document).click(function(){  
		$('#select_list_language').hide(); //hide the button
		$('#switch_language').removeClass("active");
	});
	
	$('#select_list_language').click(function(e) {
        e.stopPropagation();
    });
    $('#switch_language').click(function(e) {
        e.stopPropagation();
    });
    	
});

function openPopup(popup_name) {

	$("#reader_holder").hide();

	$("body").append("<div style='display: none;' class='popup_background'></div>");

	$(".popup_background").fadeIn("fast");
	$("div#"+popup_name).fadeIn("fast");
	
	$(".popup_background").click(function() {
		$(".popup_background").fadeOut("fast",function(){
			$(".popup_background").remove();
		});
		$("div#"+popup_name).fadeOut("fast");
	});
	
}

function closePopup(popup_name) {
	$(".popup_background").fadeOut("fast", function(){
		$(".popup_background").remove();
		$("#reader_holder").show();
	});
	$("div#"+popup_name).fadeOut("fast");
}