var http_request = false; var initTime; function send_request() { var userName = document.getElementById("userName").value; var url='user.nameValid.do?userName='+userName; http_request = false; if (window.ActiveXObject) { // IE try { http_request = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try { http_request = new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {} } } else if(window.XMLHttpRequest) { //Mozilla http_request = new XMLHttpRequest(); if (http_request.overrideMimeType) { http_request.overrideMimeType('text/xml'); } } if (!http_request) { window.alert("Can't Create XMLHttpRequest instance."); return false; } http_request.onreadystatechange = processRequest; http_request.open("GET", url, true); http_request.send(null); } function processRequest() { if (http_request.readyState == 4) { if (http_request.status == 200) { var validResult=http_request.responseText; //validResult=getBody(validResult); //validResult=trim(validResult); if(validResult==0) document.getElementById("fullName").innerHTML="available name "; else if(validResult==1) document.getElementById("fullName").innerHTML="duplicated name"; else if(validResult==2) document.getElementById("fullName").innerHTML="smartshopit and smartshopper are not allowed in member name"; } else { alert("Page Exception ."+http_request.status); } } } function getBody(str){ var start,end,bodyStr; start=str.indexOf('')+6; end=str.indexOf(''); bodyStr=str.substring(start,end); return bodyStr; } function trim(str) { var m = str.match(/^\s*(\S+(\s+\S+)*)\s*$/); return (m == null) ? "" : m[1]; } function userCheck() { var interval=1*1000; window.clearTimeout(initTime); initTime=window.setTimeout("send_request();",interval); }