// JavaScript Document
function SiteChange()
{
	if(document.getElementById("Site").selectedIndex == 0)
	{
		document.getElementById("loginLable").innerText="诚信通会员登录名：";
	}
	else if(document.getElementById("Site").selectedIndex == 1)
	{
		document.getElementById("loginLable").innerText="阿里国际站会员登录名：";
	}
	else if(document.getElementById("Site").selectedIndex == 2)
	{
		document.getElementById("loginLable").innerText="慧聪网会员登录名：";
	}
}
function CheckForm()
{
	frm = document.getElementById("form1");
	if(frm.Login.value.replace(/^\s+|\s+$/g,"") =="")
	{
		alert("登录名不能为空!");
		frm.Login.value="";
		frm.Login.focus();
		return false;
	}
	else if(frm.Login.value.length<3)
	{
		alert("登录名长度不能小于3!");
		frm.Login.focus();
		return false;
	}
	else if(frm.Lxr.value.replace(/^\s+|\s+$/g,"")=="")
	{
		alert("联系人不能为空!");
		frm.Lxr.value="";
		frm.Lxr.focus();
		return false;
	}
	else if(frm.DianHua.value.replace(/^\s+|\s+$/g,"")=="")
	{
		alert("电话不能为空!");
		frm.DianHua.value="";
		frm.DianHua.focus();
		return false;
	}
	else if(frm.GongSi.value.replace(/^\s+|\s+$/g,"")=="")
	{
		alert("公司不能为空!");
		frm.GongSi.value="";
		frm.GongSi.focus();
		return false;
	}
	
	return true;
}