function doValidateLogin()
{
  userobj=document.getElementById('txtName');
  advidobj=document.getElementById('txtadvid');

  erruserobj=document.getElementById('errusrName');
  erradvidobj=document.getElementById('errusrpassword');

  var errorstat;
  errorstat=false;
  var errobj;
  if(userobj.value.replace(/ /g,'')=='' || userobj.value.replace(/ /g,'')=='Emailid')
  {
     erruserobj.innerHTML="Please enter email id to login.";
	 errorstat=true;
      if(errobj==undefined)
	  {
	    errobj=userobj;
	  }
  }
  else if(!isEmail(userobj.value))
  {
	erruserobj.innerHTML="Please enter a valid email id";
	errorstat=true;
    if(errobj==undefined)
	  {
	    errobj=userobj;
	  }
  }
  else
  {
    erruserobj.innerHTML="";
  }
  
  
  
  if(advidobj.value.replace(/ /g,'')=='' || advidobj.value.replace(/ /g,'')=='password')
  {
     erradvidobj.innerHTML="Please enter your password";
	 errorstat=true;
      if(errobj==undefined)
	  {
	    errobj=advidobj;
	  }
  }
  else
  {
    erradvidobj.innerHTML="";
  }
  
  if(!errorstat)
  {
	document.frmlogin.action="redeem/loginaction.asp";
	document.frmlogin.submit();
  }  
}