//** 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="http://reconfigure.ca/wp-content/themes/reconfigure/images/top.png" style="width:67px; height:43px" />', //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: '#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()