/**
* encoding keyword
*
*/
function KeyEncoding(keyword){
    keyword = keyword.replace(/ /g, "_");

	keyword = escape(keyword);
	keyword = keyword.replace(/\//g, "%252F");

	return keyword;
}


/**
* display recent history
*/
function ocMenu(t1, t2, t3){
	var t_on = document.getElementById(t1).style;
	var t_off = document.getElementById(t2).style;
	var t_con = document.getElementById(t3).style;

	t_on.display = "";
	t_off.display ="none";

	if(t_con.display =="none")
		t_con.display="";
	else
		t_con.display="none";
}

/**
* Change search division
*
*/
function srchChange(num, obj){

	removeClass(document.getElementById("o0"));
	obj.parentNode.className="current";
	SelectPreOption (document.f.st, num);

}
function removeClass(id){
	id.childNodes(0).className = "";
	id.childNodes(1).className = "";
	id.childNodes(2).className = "";
	id.childNodes(3).className = "";
}

/**
*
* open banner
*/
function bannerClick(bannerId, bannerURL){
	var browserLang;
	if (navigator.appName == "Netscape") {
		browserLang = navigator.language;
	}else{
		browserLang = navigator.userLanguage;
	}
	window.open('http://www.ec21.com/app/jsp/ec/BannerLog.jsp?bannerId='+bannerId+'&bannerURL='+escape(bannerURL)+'&browserLang='+browserLang);
	return;
}