window.addEvent('domready', function(){
	//history.forward();
	var Tips2 = new Tips($$('.Tips2'), {
		initialize:function(){
			this.fx = new Fx.Style(this.toolTip, 'opacity', {duration: 200, wait: false}).set(0);
		},
		onShow: function(toolTip) {
			this.fx.start(1);
		},
		onHide: function(toolTip) {
			this.fx.set(0);
		}
	});
	
	$$('textarea').addEvent('keyup',txtlimit);
	$$('textarea').addEvent('change',txtlimit);
	function txtlimit(e){
		var evt=new Event(e);
		if(this.value.length>500){
		this.value=this.value.substr(0,500);
			evt.stop();
		}
	}
});