var imgs=new Array();

imgs[0]=new Image(); imgs[0].src="images/navi/navi1.gif";
imgs[1]=new Image(); imgs[1].src="images/navi/r_navi1.gif";


imgs[2]=new Image(); imgs[2].src="images/navi/navi2.gif";
imgs[3]=new Image(); imgs[3].src="images/navi/r_navi2.gif";

imgs[4]=new Image(); imgs[4].src="images/navi/navi3.gif";
imgs[5]=new Image(); imgs[5].src="images/navi/r_navi3.gif";

imgs[6]=new Image(); imgs[6].src="images/navi/navi4.gif";
imgs[7]=new Image(); imgs[7].src="images/navi/r_navi4.gif";

imgs[8]=new Image(); imgs[8].src="images/navi/navi5.gif";
imgs[9]=new Image(); imgs[9].src="images/navi/r_navi5.gif";

imgs[10]=new Image(); imgs[10].src="images/navi/navi6.gif";
imgs[11]=new Image(); imgs[11].src="images/navi/r_navi6.gif";


function chg_image(num,img_no)
{
	document.images[num].src = imgs[img_no].src;
}