dom.event.addEventListener(window,'load',lnavCheck);

function lnavCheck(){
var locationURL = location.href;

//product naviugation
	if(getId("productFrost")){
		if(locationURL.indexOf("/frost_stand.html") != -1){
			getIdSetClass("stand");
		}else if(locationURL.indexOf("/frost_stick.html") != -1){
			getIdSetClass("stick");
			}else if(locationURL.indexOf("/frost_paste.html") != -1){
			getIdSetClass("paste");
				}else if(locationURL.indexOf("/yogurt_sugar.html") != -1){
			getIdSetClass("yogurt");
								}
		}
	
	//get id set class
	function getIdSetClass(target){
		var ide = document.getElementById(target);
		ide.className = "currentsec";
	}
	//getId
	function getId(targetid){
		var yhee = document.getElementById(targetid);
		return yhee;
	}
}