var 	xmlHttp;
function createXMLHttpRequest(){
		if(window.ActiveXObject){
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}else if(window.XMLHttpRequest){
				xmlHttp=new XMLHttpRequest();
		}
}

function sel_location(){
		createXMLHttpRequest();
		var id_province = document.getElementById("Position").value;
	xmlHttp.onreadystatechange=function(){
	if(xmlHttp.readyState==4){
			if(xmlHttp.status==200){
						var re;
						re=xmlHttp.responseText;
					var count;										
					count=re.split("|");
					var lb = document.getElementById("Country");
					lb.length = 0;
										var y=document.createElement('option');
										y.text="---- Please Select ----";
										y.value="";
										 lb.add(y);
									for(p=0; p<count.length; p++)  {
											 	var y=document.createElement('option');
												y.text=count[p];
												y.value=y.text;
												 lb.add(y);
									}
			}
		}
	}
		xmlHttp.open("GET","ajax_location.php?id="+id_province,true);
		xmlHttp.send(null);
}