WIP: Enabled metronic frontend

public/assets/jquery/plugins/back-to-top/back-to-top.js

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+//** 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:100, scrollto: 0, scrollduration:1000, fadeduration:[500, 100]},
+	controlHTML: '<img src="theme/frontend/metronic/site/img/up.png" style="width:40px; height:40px" />', //HTML for control, which is auto wrapped in DIV w/ ID="topcontrol"
+	controlattrs: {offsetx:10, offsety:10}, //offset of control relative to right/ bottom of window corner
+	anchorkeyword: '#top', //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=$('<div id="topcontrol">'+mainobj.controlHTML+'</div>')
+				.css({position:mainobj.cssfixedsupport? 'fixed' : 'absolute', bottom:mainobj.controlattrs.offsety, right:mainobj.controlattrs.offsetx, opacity:0, cursor:'pointer'})
+				.attr({title:'Scroll Back to Top'})
+				.click(function(){mainobj.scrollup(); return false})
+				.appendTo('body')
+			if (document.all && !window.XMLHttpRequest && mainobj.$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()