$(function(){
	/*for (i=0;i<$('.main_t2_box_cp > a').length;i++)
	{
		alert (i)
	}*/
	$(".main_t3_box_cp ul").css("display", "none");
	$(".main_t3_box_cp ul").eq(0).css("display", "");
	$('.main_t2_box_cp span').each(function(index){
		$(this).mouseover(function(){
		$('.main_t2_box_cp span').removeClass('hover_tab');
		$(this).addClass('hover_tab');
		//alert (index);
		$(".main_t3_box_cp ul").css("display", "none");
		$(".main_t3_box_cp ul:eq(" + index + ")").css("display","");
		})
	})// 选项卡
	
	//.intro_f_l,.intro_f_m,.intro_f_r 高度判断
	var temp = ($('.intro_f_l').height()>$('.intro_f_m').height())?$('.intro_f_l').height():$('.intro_f_m').height();
	temp = $('.intro_f_r').height()>temp ? $('.intro_f_r').height():temp;
	$('.intro_f_l').height(temp);
	$('.intro_f_m').height(temp);
	$('.intro_f_r').height(temp);
	
})