var imgF = "images/";

var cImg		= new Array();
cImg[1]		= new Array();
cImg[1][0]	= new Image();
cImg[1][0].src	= imgF + "header_j_search_off.gif";
cImg[1][1]	= new Image();
cImg[1][1].src	= imgF + "header_j_search_on.gif";
cImg[2]		= new Array();
cImg[2][0]	= new Image();
cImg[2][0].src	= imgF + "header_j_map_off.gif";
cImg[2][1]	= new Image();
cImg[2][1].src	= imgF + "header_j_map_on.gif";
cImg[3]		= new Array();
cImg[3][0]	= new Image();
cImg[3][0].src	= imgF + "map_off.gif";
cImg[3][1]	= new Image();
cImg[3][1].src	= imgF + "map_on.gif";
cImg[4]		= new Array();
cImg[4][0]	= new Image();
cImg[4][0].src	= imgF + "map_off.gif";
cImg[4][1]	= new Image();
cImg[4][1].src	= imgF + "map_on.gif";

function chgImg(n,f){
	if( (n==1&&window["kw"].value!="") || n!=1 ){
		document["b"+n].src = cImg[n][f].src;
	}
}