$(function(){
	$("#c_con #gn_a img").attr("src","../images/common_imgs/gbnav_a_on.gif").removeAttr("class");
	$("#c_rsch #gn_b img").attr("src","../images/common_imgs/gbnav_b_on.gif").removeAttr("class");
	$("#c_saf #gn_c img").attr("src","../images/common_imgs/gbnav_c_on.gif").removeAttr("class");
	$("#c_pdts #gn_d img").attr("src","../images/common_imgs/gbnav_d_on.gif").removeAttr("class");
	$("#c_cpny #gn_e img").attr("src","../images/common_imgs/gbnav_e_on.gif").removeAttr("class");
});