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()