(function($){
	$("table tr:nth-child(odd)").addClass("odd-row");

		$(".showhide").bind('click',function(){
		if($(this).next().attr('class')=='show'){
		$(this).next().attr('class','')
		}else{
		$(this).next().attr('class','show')
		}
		});
		$("#description_head li a").each(
		function(j){
		$("#description #description_content div").css('border','none');
		$(this).bind('click',function(){
		$("#description_head li a").attr('class','');
		$(this).attr('class','here');
		$("#description #description_content div").css('display','none');
		$("#description #description_content div").get(j).style.display='block';
		});
		});

})(jQuery);


var timer;  
    (function($){  
      $(window).scroll(function(){  
        clearInterval(timer);  
        var topScroll=getScroll();  
		if(topScroll > 520){
			 $(".jiaoyu_top").addClass("jiaoyou_top_ps");
		}
		else{
			$(".jiaoyu_top").removeClass("jiaoyou_top_ps");
		}
		if ($.browser.msie && $.browser.version == "6.0") {
	        var topDiv="0px";  
	        var top=topScroll+parseInt(topDiv);  
	        timer=setInterval(function(){  
	             $(".jiaoyu_top").animate({"top":top},100);  
	        },100)  
		}
      })  
    })(jQuery); 
    function getScroll(){  
         var bodyTop = 0;    
         if (typeof window.pageYOffset != 'undefined') {    
             bodyTop = window.pageYOffset;    
         } else if (typeof document.compatMode != 'undefined' && document.compatMode != 'BackCompat') {    
             bodyTop = document.documentElement.scrollTop;    
         }    
         else if (typeof document.body != 'undefined') {    
             bodyTop = document.body.scrollTop;    
         }    
         return bodyTop  
    }