function validateLoginfield()
{
var frm=document.videoGrapherLogin;
	if(frm.email.value=="")
	{
			
			alert("Please enter email.");
			frm.email.focus();
			return false;
	}
	
	if(frm.password.value=="")
	{
		alert("Please enter password");	
		frm.password.focus();
		return false;
		
	}
	
	frm.submit();

}