javascript指令碼解析XML，XML如上

<script language="javascript">
                                        function loadprovince()
                                        {
                                            var xobj=document.getElementById("xmlobj");
                                            var selectpro=document.getElementById("selectprovince");
                                            var xnode=xobj.XMLDocument.lastChild;
                                            for(var i=0;i<xnode.childNodes.length;i++)
                                            {
                                                var opt=document.createElement("option");
                                                opt.text=xnode.childNodes[i].getAttribute("name");
                                                opt.value=xnode.childNodes[i].getAttribute("value");
                                                selectpro.add(opt);
                                            }
                                        }
                                        
                                        function change()
                                        {
                                        
                                            var Xdoc=document.getElementById('xmlobj').XMLDocument;
                                            var SLT=document.getElementById('selectprovince');
                                            var CSLT=document.getElementById('selectcity');
                                            Xdoc.setProperty("SelectionLanguage","XPath");
                                            var SLTNode=SLT.options[SLT.selectedIndex];
                                            var Xnode=Xdoc.selectNodes("//p[@value=\'"+SLTNode.value+"\']//c");
                                            CSLT.length=1;
                                            for(i=0;i<Xnode.length;i++)
                                            {
                                                var opt=document.createElement("option");
                                                opt.text=Xnode[i].text;
                                                opt.value=Xnode[i].getAttribute('value'); 
                                                CSLT.add(opt);            
                                            }
                                            
                                        }
                                    </script>