/**
* 用户名是否已经注册
* 
*/
function isReg(img_obj,txt_obj,uid){
	
	//初始化xmlhttp
	var http = new ActiveXObject("Microsoft.XMLHTTP");
	
	//发送XMLHTTP请求
	http.open("GET","../ajax/isreg_ajax.jsp?uid="+uid,false);
	http.send();
	//服务器端处理返回的是经过escape编码的字符串.
	//通过XMLHTTP返回数据,开始构建Select.
	
	
	setData(img_obj,http.responseText);
	
}
/**
* 设置图片路径
* author Dekn   2006-02-23
*/
function setData(img_obj,data){
	//alert("您当前选择了: " +data);
	var img_src_ok = "images/icoGreenok.gif";
	var img_src_err = "images/icoRedx.gif";
	var img = document.getElementById(img_obj);	
	
	
	var   str1="true";   
    var   str2="true"; 
	str1= data;
	
    if(str1==str2)   
    { 	
	    img.src=img_src_err;
    }
	
	if(str1!=str2)
	{
		img.src=img_src_ok;
	}
	
}
/*
*设置文本提示
*/
function setTxt(txt_obj,data){
	var txt = document.getElementById(txt_obj);	
	
	txt.innerHTML("你好中");
}