function signInCheck(){
	var username_result =validateUsername(document.signin_form, document.getElementById("signin_username_errormessage"));
	var targetDiv2=document.getElementById("signin_errormessage");
	targetDiv2.innerHTML="";
	var password_result = validatePassword(document.signin_form, false, document.getElementById("signin_password_errormessage"));

	//var OS_result = validateOS(document.signin_form, document.getElementById("signin_OS_errormessage"));
	//var browser_result = validatebrowser(document.signin_form, document.getElementById("signin_browser_errormessage"));

	//if((!username_result)&&(!password_result)&&(!OS_result)&&(!browser_result))
	if((!username_result)&&(!password_result))
 		return true;
 	else
		return false;
}



function sendReminder(){
	var returnEmail=validateEmail(document.reminder_form, document.getElementById("signin_email_errormessage"));
	if(!(returnEmail))
   		return true;
	else
		return false;
}