// JavaScript Document
function echeck(email)
{
//alert(email);
var at=email.indexOf('@');
var dot=email.lastIndexOf('.');
var atpos=email.lastIndexOf('@');
var emlen=email.length;
if (at<1||dot-at<2||atpos+1==emlen||dot+1==emlen||emlen-dot<3) 
  {
  alert('invalid email address');
  return false
  }
return true;
} 
function validate_user()
{
	if(document.log_form.emailid.value=="")
	{
		alert("Please enter email");
		document.log_form.emailid.focus();
		return false;
	}
	else if(!echeck(document.log_form.emailid.value))
		 {
		 document.log_form.emailid.value='';
		 document.log_form.emailid.focus();
		 return false;
		 } 
	if(document.log_form.password.value=="Password")
	{
		alert("Please enter password");
		document.log_form.password.focus();
		return false;
	}
	return true;
}