function change_tabs(tab_id,tab_selected)
	{
		$('tab_'+tab_id).getElements('div.selected_tab').removeClass('selected_tab');
		$('tab_'+tab_selected).addClass('selected_tab');
		var parent = $('tab_'+tab_id).getParent('div');
		parent.getElements('div.result_content_holder').setStyle('display','none');
		$(tab_selected).setStyle('display','block');
		
	}
	
window.addEvent('domready',function() {	
	var myVerticalSlide1 = new Fx.Slide('stop_1_content').hide();

	$('stop_1').addEvent('click', function(e){
		e.stop();
		myVerticalSlide1.slideIn();
		$('stop_1').set('style','display:none');
	});
	
	
	var myVerticalSlide2 = new Fx.Slide('stop_2_content').hide();

	$('stop_2').addEvent('click', function(e){
		e.stop();
		myVerticalSlide2.slideIn();
		$('stop_2').set('style','display:none');
	});
	
	
	var myVerticalSlide3 = new Fx.Slide('stop_3_content').hide();

	$('stop_3').addEvent('click', function(e){
		e.stop();
		myVerticalSlide3.slideIn();
		$('stop_3').set('style','display:none');
	});
	
	
	var myVerticalSlide4 = new Fx.Slide('stop_4_content').hide();

	$('stop_4').addEvent('click', function(e){
		e.stop();
		myVerticalSlide4.slideIn();
		$('stop_4').set('style','display:none');
	});

});