function Login()
{
var txtusername=document.getElementById("username").value;
var txtpassword=document.getElementById("password").value;
var xmlhttp=false;
if(txtusername=="")
{
document.getElementById('error_div').innerHTML = "Please enter username";
return false;
}
else if(txtpassword=="")
{
document.getElementById('error_div').innerHTML = "Please enter password";
return false;
}
else
{
//create browser specific objects
browser=navigator.userAgent.toLowerCase();
if(browser.indexOf("msie")!=-1)
{
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
else
{
xmlhttp=new XMLHttpRequest();
}
document.getElementById('button_div').innerHTML = "Please wait...";
loginurl="chk_distributor_login.php?username="+txtusername+"&password="+txtpassword;
xmlhttp.open("GET",loginurl,true);
xmlhttp.send(null);
xmlhttp.onreadystatechange=function()
{
if(xmlhttp.readyState==4)
{
var result=xmlhttp.responseText;
if(result=="authlogin")
{
window.status="";
var frm=document.getElementById("frm_distributor_login");
frm.submit();
}
else if (result=="invuname")
{
document.getElementById('error_div').innerHTML = "Invalid username";
document.getElementById('button_div').innerHTML = "
";
}
else if (result=="invpwd")
{
document.getElementById('error_div').innerHTML = "Invalid password";
document.getElementById('button_div').innerHTML = "
";
}
}
else
{
document.getElementById('button_div').innerHTML = "Please wait...";
}
}
}
}