function hideAll() {
	for (i=0; i<20; i++) {
		for (j=0; j<20; j++) {
			sc = "subCategory" + i + "-" + j;
			d  = "divider" + i + "-" + j;
			if (document.getElementById(sc) != null && document.getElementById(d) != null) {
				document.getElementById(sc).style.display = "none";
				document.getElementById(d).style.display = "none";
			}
		}
	}
}


function showSubCat(target) {
	hideAll();
	var sc = "";
	for(j in subCat[target]) {
		n = j;
		sc = "subCategory" + target + "-" + j;
		d  = "divider" + target + "-" + j;
		document.getElementById(sc).style.display = "";
		document.getElementById(d).style.display = "";
	}
	n++;
	sc = "subCategory" + target + "-" + n;
	d  = "divider" + target + "-" + n;
	document.getElementById(sc).style.display = "";
	document.getElementById(d).style.display = "";
}