function css() {

	/* go on for IE in generall */
	if($.browser.msie){
		
		/* take care IE 6 only */
		if($.browser.version <= 6) {
			$('#nav li:first-child').addClass('first-child');
		}
	}

    // otwieranie nowego okienka
     $("a.open-window").click(function() {  
         window.open(this.href,'','scrollbars,height=' + $(this).attr('rel') + ',width=540');  
         return(false);  
     });  
     
     $("a.close-window").click(function() {  
         // window.open(this.href,'','scrollbars,height=300,width=540');
         window.close();   
         return(false);  
     }); 
	
}


$(document).ready(css);