function get_detail()
{
	var url = "group_pro_detail.php?";
	
	var pro_page_id  = document.getElementById("itemname1").value;
	
		http.open("GET", url + "&pro_page_id="+escape(pro_page_id), true);
		http.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		http.onreadystatechange = Response;
		http.send(null);
	
}
function Response()
{
	if (http.readyState == 4) 
	{   
		results = http.responseText.split("~");
		
		document.getElementById("itemname").value = results[0];
		document.getElementById("price").value = results[1];
		document.getElementById("weight").value = results[2];
		
		//window.document.form_1.storeid.value= results[3];
		document.getElementById("storeid").value = results[3];
	}
}