function keep(code){
	cKept=getCookie("Kept");
	if (cKept == "" || cKept == null){
		setCookie("Kept","@");
	}
	cKept=getCookie("Kept");
	if (cKept.indexOf("@"+code+"@",0) != -1){
		//alert("It is already kept.");
	}else{
		setCookie("Kept",getCookie("Kept")+code+"@");
	}
}
function diskeep(code,p_item){
	cKept=getCookie("Kept");
	temp=cKept.split("@"+code+"@");
	setCookie("Kept",temp[0]+"@"+temp[1]);
}