function validate_username()
{

  if(document.change_user.new_admin_name.value=="")
  {
    alert("You cannot have New Member Username as blank");
    return false;
  } 
}

function validate_password()
{
	
  if(document.change_pass.new_password.value=="")
  {
    alert("You cannot have New Member Password as blank");
    return false;
  }
  var pass_1=document.change_pass.new_password.value;
  var pass_2=document.change_pass.c_new_password.value;
  if(pass_1!=pass_2)
  {
	  alert("Passwords typed do not match");
	  return false;
  }
}

function validate_email()
{
	
  if(document.change_email.new_email.value=="")
  {
    alert("You cannot have email  as blank");
    return false;
  }
  
  var email=document.change_email.new_email.value;
  if (!(email.indexOf(' ')==-1 && 0<email.indexOf('@') && 0<email.indexOf('.') && email.indexOf('@')+1 < email.length  && email.indexOf('.')+1 < email.length))
    {
		alert ('Invalid email address!');
    return false;
	}
}

function validate_upload_file()
{

  if(document.upload_file.doc.value=="")
  {
    alert("Please upload a file!!");
    return false;
  } 
}

function validate_new_mem()
{

  if(document.new_member.new_user.value=="")
  {
    alert("Username cannot be blank!!");
    return false;
  } 
  if(document.new_member.new_pass.value=="")
  {
    alert("Password cannot be blank");
    return false;
  }
  if(document.new_member.con_pass.value=="")
  {
    alert("Confirm Password cannot be blank");
    return false;
  }
  var pass_1=document.new_member.new_pass.value;
  var pass_2=document.new_member.con_pass.value;
  if(pass_1!=pass_2)
  {
	  alert("Passwords typed do not match");
	  return false;
  }
   if(document.new_member.new_email.value=="")
  {
    alert("Email cannot be blank");
    return false;
  }
  
  var email=document.new_member.new_email.value;
  if (!(email.indexOf(' ')==-1 && 0<email.indexOf('@') && 0<email.indexOf('.') && email.indexOf('@')+1 < email.length  && email.indexOf('.')+1 < email.length))
    {
		alert ('Invalid email address!');
    return false;
	}
}