var HideLeftMenu = new Class({
    initialize: function() {
    	this.removeLeftMenuBlock();
    	this.setMainContentStyles();
	},
	
	removeLeftMenuBlock: function() {
		$('leftmenu').dispose();	
	},
    
	setMainContentStyles: function() {
		$('maincontent').setStyle( 'margin-left', '1em' );	
	}   
});