function show_product_name(d_id,d_id_str){
	var ajax_text = "ajax" + d_id;
	document.getElementById("quantity").innerHTML = document.getElementById(ajax_text).innerHTML;
	arr = d_id_str.split("-");
	for (i=0;i<arr.length ;i++ )
    {
        text = "ajax" + arr[i];
        if(i < arr.length - 1){
        	document.getElementById(text).className="";
        }

    }
	document.getElementById(ajax_text).className="xz";
}