MediaWiki:Common.js/subir.js

//** jQuery Scroll to Top Control script- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com. //** Available/ usage terms at http://www.dynamicdrive.com (March 30th, 09') //** v1.1 (April 7th, 09'): //** 1) Adds ability to scroll to an absolute position (from top of page) or specific element on the page instead. //** 2) Fixes scroll animation not working in Opera.

var scrolltotop={ //startline: Integer. Number of pixels from top of doc scrollbar is scrolled before showing control //scrollto: Keyword (Integer, or "Scroll_to_Element_ID"). How far to scroll document up when control is clicked on (0=top). setting: {startline:1000, scrollto: 0, scrollduration:1000, fadeduration:[500, 100]}, controlHTML: '', //HTML for control, which is auto wrapped in DIV w/ ID="topcontrol" controlattrs: {offsetx:5, offsety:5}, //offset of control relative to right/ bottom of window corner anchorkeyword: '#subir', //Enter href value of HTML anchors on the page that should also act as "Scroll Up" links

state: {isvisible:false, shouldvisible:false},

scrollup:function{ if (!this.cssfixedsupport) //if control is positioned using JavaScript this.$control.css({opacity:0}) //hide control immediately after clicking it var dest=isNaN(this.setting.scrollto)? this.setting.scrollto : parseInt(this.setting.scrollto) if (typeof dest=="string" && jQuery('#'+dest).length==1) //check element set by string exists dest=jQuery('#'+dest).offset.top else dest=0 this.$body.animate({scrollTop: dest}, this.setting.scrollduration); },

keepfixed:function{ var $window=jQuery(window) var controlx=$window.scrollLeft + $window.width - this.$control.width - this.controlattrs.offsetx var controly=$window.scrollTop + $window.height - this.$control.height - this.controlattrs.offsety this.$control.css({left:controlx+'px', top:controly+'px'}) },

togglecontrol:function{ var scrolltop=jQuery(window).scrollTop if (!this.cssfixedsupport) this.keepfixed this.state.shouldvisible=(scrolltop>=this.setting.startline)? true : false if (this.state.shouldvisible && !this.state.isvisible){ this.$control.stop.animate({opacity:1}, this.setting.fadeduration[0]) this.state.isvisible=true }		else if (this.state.shouldvisible==false && this.state.isvisible){ this.$control.stop.animate({opacity:0}, this.setting.fadeduration[1]) this.state.isvisible=false }	},	init:function{ jQuery(document).ready(function($){			var mainobj=scrolltotop			var iebrws=document.all			mainobj.cssfixedsupport=!iebrws || iebrws && document.compatMode=="CSS1Compat" && window.XMLHttpRequest //not IE or IE7+ browsers in standards mode			mainobj.$body=(window.opera)? (document.compatMode=="CSS1Compat"? $('html') : $('body')) : $('html,body')			mainobj.$control=$(' '+mainobj.controlHTML+' ')				.css({position:mainobj.cssfixedsupport? 'fixed' : 'absolute', bottom:mainobj.controlattrs.offsety, right:mainobj.controlattrs.offsetx, opacity:0, cursor:'pointer'})				.attr({title:'Subir'})				.click(function{mainobj.scrollup; return false})				.appendTo('body')			if (document.all && !window.XMLHttpRequest && mainobj.$control.text!='') //loose check for IE6 and below, plus whether control contains any text				mainobj.$control.css({width:mainobj.$control.width}) //IE6- seems to require an explicit width on a DIV containing text			mainobj.togglecontrol			$('a[href="' + mainobj.anchorkeyword +'"]').click(function{ mainobj.scrollup return false })			$(window).bind('scroll resize', function(e){ mainobj.togglecontrol })		})	} }

scrolltotop.init