function seltab(n) {

	if (!document.getElementById) return;
	var text = new Array("orange","pink","blue");
	document.getElementById("searchbox").style.background = text[n-1];
	document.getElementById("option").style.border = "1px solid " + text[n-1];
	document.getElementById("word").focus();

	if (n == 1){
	    document.all.shop.style.display = "block";
	    document.all.auction.style.display = "none";
	    document.all.other.style.display = "none";
	    document.all.sora.value = "1";
    } else if (n == 2){
		document.all.shop.style.display = "none";
		document.all.auction.style.display = "block";
	    document.all.other.style.display = "none";
	    document.all.sora.value = "2";
	} else {
		document.all.shop.style.display = "none";
		document.all.auction.style.display = "none";
	    document.all.other.style.display = "block";
	    document.all.sora.value = "3";
	}
}