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Wikipedia:Bypass your cache.
varcat_next={};(function(){functionsetCategory(category){mw.cookie.set("catNextCat",category);}functiongetCategory(){returnmw.cookie.get("catNextCat");}functionloadInteface(){$("#ca-cat-next").remove();//only run oncevarcategory=getCategory();if(!category){category="";}category=decodeURIComponent(category).replace(/_/g," ");varbody;if(mw.config.get("skin")==="cologneblue"){body=$("#mw-content-text");}else{body=$("#bodyContent");}body.before('<div id="cat-next-config" style="background-color:LightGray;border:1px solid black;padding:3px;">Category: <input type="text" id="cat-next-cat" value="'+category+'" size="40"><button id="cat-next-confirm" onclick="cat_next.setCategoryUnencoded();">Confirm</button></div>');if(mw.config.get("wgNamespaceNumber")===14){$("#cat-next-config").append('<button onclick="cat_next.thisCat();" id="cat-next-this-cat">Use current category</button>');}if(category!==""){$("#cat-next-config").append('<button onclick="cat_next.clearCat();" id="cat-next-clear">Reset</button>');}}functionsetCategoryUnencoded(){varcategory=$("#cat-next-cat").val();category=encodeURIComponent(category.replace(/ /g,"_"));setCategory(category);if(category===""){$("#cat-next-next, #cat-next-clear").remove();return;}if($("#cat-next-next").length===0){$("#ca-watch, #ca-unwatch").before('<li id="cat-next-next" class="collapsible"><span><a href="" title="Go to the next page in Category:'+$("#cat-next-cat").val()+'">Next</a></span></li>');$("#cat-next-config").append('<button onclick="cat_next.clearCat();" id="cat-next-clear">Reset</button>');}$("#cat-next-next a").attr("href",mw.config.get("wgArticlePath").replace("$1","Special:RandomInCategory/"+category));$("#cat-next-next a").attr("title",'Go to the next page in Category:'+$("#cat-next-cat").val());}functionclearCat(){$("#cat-next-cat").val("");setCategory("");$("#cat-next-next, #cat-next-clear").remove();}functionthisCat(){$("#cat-next-cat").val(mw.config.get("wgTitle"));setCategoryUnencoded();}$(document).ready(function(){if(mw.config.get("skin")==="minerva"){return;//does not work with minerva}varcategory=getCategory();if(category){$("#ca-watch, #ca-unwatch").before('<li id="cat-next-next" class="collapsible"><span><a href="" title="Go to the next page in Category:'+decodeURIComponent(category).replace(/_/g," ")+'">Next</a></span></li>');$("#cat-next-next a").attr("href",mw.config.get("wgArticlePath").replace("$1","Special:RandomInCategory/"+category));}varportletLink=mw.util.addPortletLink('p-cactions','#','Configure cat next','ca-cat-next','Configure category next button','');$(portletLink).click(loadInteface);});cat_next.loadInterface=loadInteface;cat_next.setCategoryUnencoded=setCategoryUnencoded;cat_next.clearCat=clearCat;cat_next.thisCat=thisCat;})();//[[Category:Wikipedia scripts]]
