var beau$userGroups = {};   if (mw.config.get('wgUserGroups')) { 	for (var i = 0; i < mw.config.get('wgUserGroups').length; i++) { 		beau$userGroups[ mw.config.get('wgUserGroups')[i] ] = true; 	} }   function beau$callAPI(query) { 	var url = mw.config.get('wgServer') + mw.config.get('wgScriptPath') + '/api.php?';   	for (var field in query) { 		var value = query[field]; 		url += '&' + field + '=' + encodeURIComponent(value); 	} 	url += '&format=json'; 	mw.loader.load(url); }   var editHysteriaGadget = {};   editHysteriaGadget.init = function () { 	var firstHeading; 	var headers = document.getElementsByTagName("h1");   	for(i=0; i<headers.length; i++) { 		var header = headers[i]; 		if(header.className == "firstHeading" || header.id == "firstHeading" || header.className == "pagetitle") { 			firstHeading = header; break; 		} 	}   	if(!firstHeading) 		firstHeading = document.getElementById("section-0");   	if(!firstHeading) 		return;   	var div = document.createElement("div"); 	div.style.cssText = "font-size:8pt;line-height:1em"; 	if (mw.config.get('skin') == 'modern') 	{ 		div.style.marginLeft = "10px"; 		div.style.display = "inline-block"; 	}   	firstHeading.appendChild(div); 	this.div = div;   	beau$callAPI({ 		action:	'query', 		prop:	'revisions', 		rvprop:	'user|ids', 		rvlimit:	50, 		callback:	'editHysteriaGadget.gotRevisions', 		titles:	mw.config.get('wgPageName'), 		requestid: new Date().getTime() 	}); }   editHysteriaGadget.wikilink = function(page) { 	return mw.config.get('wgScript') + '?title=' + encodeURIComponent(page); }   editHysteriaGadget.userlink = function(name) { 	var str = '<a href="' + this.wikilink('User:' + name) + '">' + name + '</a> ' + 	  '(<a href="' + this.wikilink('Special:Contributions/' + name) + '">contr</a>, <a href="' + this.wikilink('User_talk:' + name) + '">disc</a>, <a href="' + this.wikilink('Special:CentralAuth/' + name) + '">CA</a>, <a href="//tools.wmflabs.org/guc/?user=' + name + '">guc</a>';   	if ( beau$userGroups["sysop"] ) 		str += ', <a href="' + this.wikilink('Special:Blockip/' + name) + '">Bloquear</a>';   	str += ')';   	return str; }   editHysteriaGadget.gotRevisions = function(data) { 	var page = data.query.pages[mw.config.get('wgArticleId')]; 	var html = '';   	var div = this.div; 	if (! page) { 		div.innerHTML = html + "La página no existe"; 		div.style.color = "red"; 		return; 	}   	var topuser = page.revisions[0].user; 	var ldiff; 	var luser; 	var count = 1;   	for (var i = 1; i < page.revisions.length; i++) { 		ldiff = page.revisions[i].revid; 		luser = page.revisions[i].user; 		if (luser != topuser) 			break; 		count++; 	}   	if (ldiff) { 		html += 'Última <a href="'+ mw.config.get('wgScript') + '?title=' + encodeURIComponent(mw.config.get('wgPageName')) + '&diff=cur&oldid=' + ldiff + '"/>edición</a>' + 			' por ' + this.userlink(topuser) + ' (' + count + 'x).';                   if(luser != "" && luser != topuser) { 			html += ' Edición anterior ' + this.userlink(luser) + '.'; 		}                 div.innerHTML = html; 	}         else if (topuser != "") { 		div.innerHTML = html + 'Esta es la única versión. ' + 			'Único usuario: ' + this.userlink(topuser) + '.'; 	} 	if (mw.config.get('skin') == 'modern') { 		var links = div.getElementsByTagName('a'); 		for (var i = 0; i < links.length; i++) { 			links[i].style.color = 'white'; 			links[i].style.textDecoration = 'underline'; 		} 	} }   if (mw.config.get('wgNamespaceNumber') >= 0 && !document.location.href.match(/printable=yes/)) 	$(function() { editHysteriaGadget.init() } );