var t;
   	function custom_init()
    {
	    var ol = $("#habla_middle_div").next();
	    if (ol.length == 1)
	    {
			ol.hide();
	    }
	    else
	    {    
	    t =setTimeout("custom_init()",100); 
	    }
    }

$().ready(function(){ 
	$("div#preview_side").mouseover(function()
				   {
					   $(this).addClass("preview_side_mouse_over");
					   $(this).removeClass("preview_side_mouse_off");
					   }).mouseout(function(){
					   $(this).addClass("preview_side_mouse_off");
					   $(this).removeClass("preview_side_mouse_over");						   
						   });				   
				   
	$("ul#numbers_list").hide();
	$("ul#arithmetic_list").hide();
	$("ul#algebra_list").hide();
	$("ul#geometry_list").hide();
	$("ul#word_problems_list").hide();
	$("ul#quantitative_comparison_strategies_list").hide();
	$("ul#statistics_counting_probability_list").hide();
	
	$("#numbers_link").click(function(){
		$("ul#numbers_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#arithmetic_link").click(function(){
		$("ul#arithmetic_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#fractions_link").click(function(){
		$("ul#fractions_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#algebra_link").click(function(){
		$("ul#algebra_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#simultaneous_linear_equations_link").click(function(){
		$("ul#simultaneous_linear_equations_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#quadratic_equations_link").click(function(){
		$("ul#quadratic_equations_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#coordinates_link").click(function(){
		$("ul#coordinates_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#geometry_link").click(function(){
		$("ul#geometry_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#triangles_link").click(function(){
		$("ul#triangles_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#circles_link").click(function(){
		$("ul#circles_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#measurements_link").click(function(){
		$("ul#measurements_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#word_problems_link").click(function(){
		$("ul#word_problems_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#rate_problems_link").click(function(){
		$("ul#rate_problems_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#ratio_percentage_problems_link").click(function(){
		$("ul#ratio_percentage_problems_list").slideToggle("slow");
		return false;
	});//end of .click callback 
		
	$("#quantitative_comparison_strategies_link").click(function(){
		$("ul#quantitative_comparison_strategies_list").slideToggle("slow");
		return false;
	});//end of .click callback 
	$("#statistics_counting_probability_link").click(function(){
		$("ul#statistics_counting_probability_list").slideToggle("slow");
		return false;
	});//end of .click callback 	
	$("#statistics_link").click(function(){
		$("ul#statistics_list").slideToggle("slow");
		return false;
	});//end of .click callback 	
	$("#counting_link").click(function(){
		$("ul#counting_list").slideToggle("slow");
		return false;
	});//end of .click callback 
    	 var script_url = (document.location.protocol == 'https:' ? "https:" : "http:") + '//static.olark.com/js/wc.js';
    	    // use jQuery's getScript to get the script url, and on success, initialize
    	    jQuery.getScript(script_url, function(){
    	            wc_init(); // this runs on successful script get.
    	        }
    	    );
    	    t =setTimeout("custom_init()",100); 
	
	
});//end of .ready callback