function showprovince(v){
	var select_province = $('#province option');
	$('#province').css("width",'60px');
	select_province.remove();
	for(var i in area_province){
		if(area_province[i] == v){
			$("<option value='"+area_province[i]+"' selected>"+area_province[i]+"</option>").appendTo("#province");
		}else{
			$("<option value='"+area_province[i]+"'>"+area_province[i]+"</option>").appendTo("#province");
		}
	}
}
function showcitys(v){
	var select_citys = $('#citys option');
	select_citys.remove();
	$('#citys').css("width",'80px');
	var select_countrys = $('#countrys option');
	select_countrys.remove();
	var select_province = $('#province option:selected').val();
	$(area_city[select_province]).each(function(key,value){
		if(value == v){
			$("<option value='"+value+"' selected>"+value+"</option>").appendTo("#citys");
		}else{
			$("<option value='"+value+"'>"+value+"</option>").appendTo("#citys");
		}
	});
}
function showcountrys(v){   
    var select_countrys = $('#countrys option');
	$('#countrys').css("width",'80px');
	select_countrys.remove();
	var select_province = $('#province option:selected').val();
	var select_citys = $('#citys option:selected').val();
	$(area_country[select_province][select_citys]).each(function(key,value){
		if(value != select_citys+'市'){
			if(value == v){
				$("<option value='"+value+"' selected>"+value+"</option>").appendTo("#countrys");
			}else{
				$("<option value='"+value+"'>"+value+"</option>").appendTo("#countrys");
			}
		}
	});
}