$(document).ready(function() {

var extendedsearch;
extendedsearch = false;
	// REVIEWS EXPAND
	if ($("a#extendedsearchlink")) {
	$("a#extendedsearchlink").click(function() {
		
		if (!extendedsearch) {
			$("div#extendedsearch").slideDown("slow");
			extendedsearch=true;
		}
		else
		{
			$("div#extendedsearch").slideUp("slow");
			extendedsearch=false;
		}
		
		return false;
		
	});
}
	
	
	 	$("#banner_left a").click(function(){
	 		if ($(this).attr("href").indexOf("http://www.aib-verlag.de/de/zeitschriften/arbeit-soziale-sicherheit/newsletter/index.php") > 0) {
	 			open_popup(600,390, $(this).attr("href"));
	 			return false;
	 		}
		});
 
 
 
 	 	$("a.simplepopup").click(function(){
			open_popup(600,580,$(this).attr("href"));
		return false;
 });
	

});
	
	
jQuery.fn.extend({
	
	slideDownCustom: function(start, speed,callback){
		return this.animate({height: start}, speed, callback);
	},

	slideUpCustom: function(stop, speed,callback){
		return this.animate({height: stop}, speed, callback);
	},
	
	slideLeftCustom: function(start, speed,callback){
		return this.animate({width: start}, speed, callback);
	}
});


function open_popup(w,h,ziel) {
  h = h - 20; var x=0, y=0, parameter="";
  if (w < screen.availWidth || h < screen.availHeight) {
    x = (screen.availWidth - w - 12) / 2;
    y = (screen.availHeight - h - 104) / 2;
    if (window.opera) y = 0; // Opera positioniert unter den Symbolleisten
    if (x<0 || y<0) { x=0; y=0; }
    else parameter = "width=" + w + ",height=" + h + ",";
  }
  parameter += "left=" + x + ",top=" + y;
  parameter += ",menubar=yes,location=yes,toolbar=no,status=no";
  parameter += ",resizable=yes,scrollbars=yes";
  var Fenster = window.open(ziel,"PopUp",parameter);
  if (Fenster) Fenster.focus();
  return !Fenster;
}