var AdminResponse = "";

	function parseResponse(){

		var nText = AdminResponse.getElementsByTagName('optionText');
		var nVal = AdminResponse.getElementsByTagName('optionVal');
		document.forms["search"].elements['region'].options.length = 1;
		
		for (i=0; i<nText.length; i++)
			{ 
			 var nOption = document.createElement('option'); 
			 var isText = document.createTextNode(nText[i].firstChild.data); 
			 nOption.setAttribute('value',nVal[i].firstChild.data); 
			 nOption.appendChild(isText); 
			 document.forms["search"]['region'].appendChild(nOption); 
			}
	}

	function update(nVal){

		var AdminRequest = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();   
		AdminRequest.onreadystatechange = function()
			{
		 	 if (AdminRequest.readyState == 4)
				{
		 	 	 if (AdminRequest.status == 200)
					{
			 	 	 AdminResponse = AdminRequest.responseXML;
			 	 	 parseResponse();
					}
		 	 	 else 	{
				 	 alert('Error Update.php File '+ AdminRequest.statusText);
					}
				}
			}
		var infoStr = "?choice="+nVal;
		AdminRequest.open("GET", "Update.php"+infoStr, true);
		AdminRequest.send(null); 
	}