var ie=false;
var ieVer=999;

checkBroswer();
function checkBroswer(){
	if(navigator.userAgent.indexOf("MSIE") > 0) {
		ie = true;
		ieVer = navigator.userAgent.split("MSIE ")[1].substring(0,1);
	}
}

/*submenu switch*/
function fncShowSub(target){
	if(ieVer > 6 ) return;
	if(target.className.search("on") != -1) {
		if(target.className == "on") target.className = "";
		else target.className = target.className.replace(" on","");
	} else {
		if(target.className == "") target.className = "on";
		else target.className = target.className + " on";
	}
}