var Loading = {
	icon:null,
	setIcon:function(iconFile){
		var icon = $("<div>");
		icon.css('position','absolute');
		icon.css('top','0px');
		icon.css('left','0px');
		icon.css('z-index','100000');
		var iconElement = $("<img src='"+iconFile+"'>");
		icon.append(iconElement);
		icon.hide();
		$('body').prepend(icon);
		Loading.icon = icon;
	},
	Show:function(){
		if(Loading.icon==null)return;
		
		Loading.icon.css('top','-1000px');
		Loading.icon.css('left','-1000px');
		
		Loading.icon.show();		
		$('body').mousemove(
		function(event){
			Loading.icon.css('top',event.pageY-Loading.icon.height()+"px");
			Loading.icon.css('left',event.pageX-Loading.icon.width()+"px");
		});
	},
	Hide:function(){
		if(Loading.icon==null)return;
		Loading.icon.hide();
		$('body').unbind("mousemove");
	}
}