var scrolltotop={

	//startline: Integer. Number of pixels from top of doc scrollbar is scrolled before showing control
	setting: {startline:100},

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

	togglecontrol:function(){

		var scrolltop=jQuery(window).scrollTop()

		this.state.shouldvisible=(scrolltop>=this.setting.startline)? true : false
		if (this.state.shouldvisible && !this.state.isvisible){
			jQuery("#pageTop").fadeIn("fast");
			this.state.isvisible=true;

		}
		else if (this.state.shouldvisible==false && this.state.isvisible){
			jQuery("#pageTop").fadeOut("fast");
			this.state.isvisible=false;
		}
	},

	init:function(){
		jQuery(document).ready(function($){
			jQuery("#pageTop").hide();
			var mainobj=scrolltotop;

			$(window).bind('scroll resize', function(e){
				mainobj.togglecontrol();
			})
		})
	}
}
scrolltotop.init();