var image_name = null
if(document.images){

//

g1		= new Image();
g1.src		= "img/index/a.gif";
g1_over		= new Image();
g1_over.src	= "img/index/a_over.gif";

// 

g2		= new Image();
g2.src		= "img/index/b.gif";
g2_over		= new Image();
g2_over.src	= "img/index/b_over.gif";

//

g3		= new Image();
g3.src		= "img/index/c.gif";
g3_over		= new Image();
g3_over.src	= "img/index/c_over.gif";

// 

g4		= new Image();
g4.src		= "img/index/d.gif";
g4_over		= new Image();
g4_over.src	= "img/index/d_over.gif";

// 

g5		= new Image();
g5.src		= "img/index/e.gif";
g5_over		= new Image();
g5_over.src	= "img/index/e_over.gif";

// 

g6		= new Image();
g6.src		= "img/index/f.gif";
g6_over		= new Image();
g6_over.src	= "img/index/f_over.gif";

// 

g7		= new Image();
g7.src		= "img/index/g.gif";
g7_over		= new Image();
g7_over.src	= "img/index/g_over.gif";

// 

g8		= new Image();
g8.src		= "img/index/h.gif";
g8_over		= new Image();
g8_over.src	= "img/index/h_over.gif";

// 

g9		= new Image();
g9.src		= "img/index/i.gif";
g9_over		= new Image();
g9_over.src	= "img/index/i_over.gif";

// 

g10		= new Image();
g10.src		= "img/index/j.gif";
g10_over	= new Image();
g10_over.src	= "img/index/j_over.gif";

// 

g11		= new Image();
g11.src		= "img/index/k.gif";
g11_over	= new Image();
g11_over.src	= "img/index/k_over.gif";

// 

g12		= new Image();
g12.src		= "img/index/l.gif";
g12_over	= new Image();
g12_over.src	= "img/index/l_over.gif";

// 

g13		= new Image();
g13.src		= "img/index/m.gif";
g13_over	= new Image();
g13_over.src	= "img/index/m_over.gif";

// 

g14		= new Image();
g14.src		= "img/index/n.gif";
g14_over	= new Image();
g14_over.src	= "img/index/n_over.gif";

// 

g15		= new Image();
g15.src		= "img/index/o.gif";
g15_over	= new Image();
g15_over.src	= "img/index/o_over.gif";

// 

g16		= new Image();
g16.src		= "img/index/p.gif";
g16_over	= new Image();
g16_over.src	= "img/index/p_over.gif";

// 

g17		= new Image();
g17.src		= "img/index/q.gif";
g17_over	= new Image();
g17_over.src	= "img/index/q_over.gif";

// 

g18		= new Image();
g18.src		= "img/index/r.gif";
g18_over	= new Image();
g18_over.src	= "img/index/r_over.gif";

// 

g19		= new Image();
g19.src		= "img/index/s.gif";
g19_over	= new Image();
g19_over.src	= "img/index/s_over.gif";

// 

g20		= new Image();
g20.src		= "img/index/t.gif";
g20_over	= new Image();
g20_over.src	= "img/index/t_over.gif";

// 

g21		= new Image();
g21.src		= "img/index/u.gif";
g21_over	= new Image();
g21_over.src	= "img/index/u_over.gif";

// 

g22		= new Image();
g22.src		= "img/index/v.gif";
g22_over	= new Image();
g22_over.src	= "img/index/v_over.gif";

// 

g23		= new Image();
g23.src		= "img/index/w.gif";
g23_over	= new Image();
g23_over.src	= "img/index/w_over.gif";

// 

g24		= new Image();
g24.src		= "img/index/x.gif";
g24_over	= new Image();
g24_over.src	= "img/index/x_over.gif";

// 

g25		= new Image();
g25.src		= "img/index/y.gif";
g25_over	= new Image();
g25_over.src	= "img/index/y_over.gif";

// 

g26		= new Image();
g26.src		= "img/index/z.gif";
g26_over	= new Image();
g26_over.src	= "img/index/z_over.gif";

//

g27             =new Image();
g27.src         ="../img/index.gif";
g27_over        =new Image();
g27_over.src    ="../img/index_over.gif";


}

function change_over(image_name)
{
if (document.images){
if (image_name == "g1") document[image_name].src = g1_over.src ;
if (image_name == "g2") document[image_name].src = g2_over.src ;
if (image_name == "g3") document[image_name].src = g3_over.src ;
if (image_name == "g4") document[image_name].src = g4_over.src ;
if (image_name == "g5") document[image_name].src = g5_over.src ;
if (image_name == "g6") document[image_name].src = g6_over.src ;
if (image_name == "g7") document[image_name].src = g7_over.src ;
if (image_name == "g8") document[image_name].src = g8_over.src ;
if (image_name == "g9") document[image_name].src = g9_over.src ;
if (image_name == "g10") document[image_name].src = g10_over.src ;
if (image_name == "g11") document[image_name].src = g11_over.src ;
if (image_name == "g12") document[image_name].src = g12_over.src ;
if (image_name == "g13") document[image_name].src = g13_over.src ;
if (image_name == "g14") document[image_name].src = g14_over.src ;
if (image_name == "g15") document[image_name].src = g15_over.src ;
if (image_name == "g16") document[image_name].src = g16_over.src ;
if (image_name == "g17") document[image_name].src = g17_over.src ;
if (image_name == "g18") document[image_name].src = g18_over.src ;
if (image_name == "g19") document[image_name].src = g19_over.src ;
if (image_name == "g20") document[image_name].src = g20_over.src ;
if (image_name == "g21") document[image_name].src = g21_over.src ;
if (image_name == "g22") document[image_name].src = g22_over.src ;
if (image_name == "g23") document[image_name].src = g23_over.src ;
if (image_name == "g24") document[image_name].src = g24_over.src ;
if (image_name == "g25") document[image_name].src = g25_over.src ;
if (image_name == "g26") document[image_name].src = g26_over.src ;
if (image_name == "g27") document[image_name].src = g27_over.src ;

}
}

function change_back(image_name)
{
if (document.images){
if (image_name == "g1") document[image_name].src = g1.src ;
if (image_name == "g2") document[image_name].src = g2.src ;
if (image_name == "g3") document[image_name].src = g3.src ;
if (image_name == "g4") document[image_name].src = g4.src ;
if (image_name == "g5") document[image_name].src = g5.src ;
if (image_name == "g6") document[image_name].src = g6.src ;
if (image_name == "g7") document[image_name].src = g7.src ;
if (image_name == "g8") document[image_name].src = g8.src ;
if (image_name == "g9") document[image_name].src = g9.src ;
if (image_name == "g10") document[image_name].src = g10.src ;
if (image_name == "g11") document[image_name].src = g11.src ;
if (image_name == "g12") document[image_name].src = g12.src ;
if (image_name == "g13") document[image_name].src = g13.src ;
if (image_name == "g14") document[image_name].src = g14.src ;
if (image_name == "g15") document[image_name].src = g15.src ;
if (image_name == "g16") document[image_name].src = g16.src ;
if (image_name == "g17") document[image_name].src = g17.src ;
if (image_name == "g18") document[image_name].src = g18.src ;
if (image_name == "g19") document[image_name].src = g19.src ;
if (image_name == "g20") document[image_name].src = g20.src ;
if (image_name == "g21") document[image_name].src = g21.src ;
if (image_name == "g22") document[image_name].src = g22.src ;
if (image_name == "g23") document[image_name].src = g23.src ;
if (image_name == "g24") document[image_name].src = g24.src ;
if (image_name == "g25") document[image_name].src = g25.src ;
if (image_name == "g26") document[image_name].src = g26.src ;
if (image_name == "g27") document[image_name].src = g27.src ;

}
}