function setImg(path,randimg)
{
	document.getElementById(randimg).src=path+"/servlet/CreateValidateNum";
}
function trim(obj){   
  	return obj.replace(/(^\s*)|(\s*$)/g,"");   
}
var req;
var dis_msg;
var rand_id;
var img_id;
var path_url;
var form_obj;
function ajax(path,dismsg,rand,rand_input_id,rand_img_id,formobj){
  dis_msg=dismsg;
  rand_id=rand_input_id;
  img_id=rand_img_id;
  path_url=path;
  form_obj=formobj
  var sUrl = path+"/isRepeatAction.do?rand="+rand+"&fresh="+new Date().getTime();
				try {
					  req = new ActiveXObject("Msxml2.XMLHTTP");
				} catch (e1) {
					  try {	
					  	req = new ActiveXObject("Microsoft.XMLHTTP");
					  } catch (e2) {
					    req = false;
				  }
				  }
			  	if (!req) {
					 req = new XMLHttpRequest();
				  }
			    if(req){
			      req.open("GET",sUrl,true);
			      req.onreadystatechange = callback;
			      req.send(null);
			    }
			    }
			  function callback(){		  
			  	if(req.readyState==4){
			  		if(req.status==200){
			  			var msg = trim(req.responseText);
			  			if(msg=="1"){
							alert(dis_msg);
							document.getElementById(rand_id).value="";
							setImg(path_url,img_id);
							document.getElementById(rand_id).focus();
						}else
							form_obj.submit();
			  		}
			  	}
			  }