var topicPath = new Class({
	initialize: function(){
		if(!$('TOPIC_PATH'))  return;
		this.h = $('TOPIC_PATH').getSize().size.y;
		this.setSize();
		this.resize();
	},
	setSize: function(){
		$('MAIN_CONTENTS').setStyle('margin-top',this.h+'px');
		if($('LOCAL_MENU')){
			$('LOCAL_MENU').setStyle('margin-top',this.h+'px');
		}
	},
	resize: function(){
		if(this.h != $('TOPIC_PATH').getSize().size.y){
			this.h = $('TOPIC_PATH').getSize().size.y;
			this.setSize();
		}
		this.resize.delay(200,this);
	}
});