rem: this.filter(":visible").each(function(){ this.oldblock = this.oldblock || jQuery.css(this,"display"); this.style.display = "none"; }).end(); 
add: this.each(function(){ jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ](); }); 
context: 			this.filter(":visible").each(function(){				this.oldblock = this.oldblock || jQuery.css(this,"display");				this.style.display = "none";			}).end();
meta: 2092	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2092/7359a17750b5a31b89e38c768d4aa1a55ae73300/jquery-nightly.js/buggy/jq/jquery-nightly.js