(function($){
		  
		  $.fn.popupWindow = function(instanceSettings){
			  
			  return this.each(function(){
										
										$(this).click(function(){
															   
															   $.fn.popupWindow.defaultSettings = {
																   
																   centerBrowser:0, // center window over browser window? {1 (YES) or 0 (NO)}. overrides top and left
																   centerScreen:0, // center window over entire screen? {1 (YES) or 0 (NO)}. overrides top and left
																   height:500, // sets the height in pixels of the window.
																   left:0, // left position when the window appears.
																   location:0, // determines whether the address bar is displayed {1 (YES) or 0 (NO)}.
																   menubar:0, // determines whether the menu bar is displayed {1 (YES) or 0 (NO)}.
																   resizable:0, // whether the window can be resized {1 (YES) or 0 (NO)}. Can also be overloaded using resizable.
																   scrollbars:0, // determines whether scrollbars appear on the window {1 (YES) or 0 (NO)}.
																   status:0, // whether a status line appears at the bottom of the window {1 (YES) or 0 (NO)}.
																   width:500, // sets the width in pixels of the window.
																   windowName:null, // name of window set from the name attribute of the element that invokes the click
																   windowURL:null, // url used for the popup
																   top:0, // top position when the window appears.
																   toolbar:0 // determines whether a toolbar (includes the forward and back buttons) is displayed {1 (YES) or 0 (NO)}.
																   };
																   
																   settings = $.extend({}, $.fn.popupWindow.defaultSettings, instanceSettings || {});
																   
																   var windowFeatures =    'height=' + settings.height + 
																   ',width=' + settings.width +
																   ',toolbar=' + settings.toolbar +
																   ',scrollbars=' + settings.scrollbars +
																   ',status=' + settings.status + 
																   ',resizable=' + settings.resizable + 
																   ',location=' + settings.location +
																   ',menuBar=' + settings.menubar;
																   
																   settings.windowName = this.name || settings.windowName;
																   settings.windowURL = this.href || settings.windowURL;
																   var centeredY,centeredX;
																   
																   if(settings.centerBrowser) {
																	   
																	   if ($.browser.msie) {//hacked together for IE browsers
																	   
																	   centeredY = (window.screenTop - 120) + ((((document.documentElement.clientHeight + 120)/2) - (settings.height/2)));
																	   centeredX = window.screenLeft + ((((document.body.offsetWidth + 20)/2) - (settings.width/2)));
																	   
																	   } else {
																		   
																		   centeredY = window.screenY + (((window.outerHeight/2) - (settings.height/2)));
																		   centeredX = window.screenX + (((window.outerWidth/2) - (settings.width/2)));
																		   }
																		   
																		   window.open(settings.windowURL, settings.windowName, windowFeatures+',left=' + centeredX +',top=' + centeredY).focus();
																		   
																		   } else if(settings.centerScreen) {
																			   
																			   centeredY = (screen.height - settings.height)/2;
																			   centeredX = (screen.width - settings.width)/2;
																			   window.open(settings.windowURL, settings.windowName, windowFeatures+',left=' + centeredX +',top=' + centeredY).focus();
																			   
																			   } else { 
																			   
																			   window.open(settings.windowURL, settings.windowName, windowFeatures+',left=' + settings.left +',top=' + settings.top).focus();
																			   
																			   }
																			   return false;
																			   
																			   });
										});
			  };
			  })(jQuery);