function trimStr(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}

function checkLoginValid(){
	var userId="_id0:userName";
	var passId="_id0:userPassword";
	var user= trimStr(document.getElementById(userId).value);
	var password=document.getElementById(passId).value;
	var flag=true;
	if(user.length==0){
		document.getElementById(userId).value="";
		document.getElementById(userId).focus();
		alert("Please enter user name.");
		flag=false;
	}else if(password.length==0){
		document.getElementById(passId).focus();
		alert("Please enter password.");
		flag=false;
	}
	return flag;
}

function checkForgotUserName(){
	var emailId="userform:email";
	var email= trimStr(document.getElementById(emailId).value);
	if(email.length==0){
		document.getElementById(emailId).value="";
		document.getElementById(emailId).focus();
		alert("Please enter email address.");
		return false;
	}
}

function checkResetPassword(){
	var userId="resetform:userid";
	var emailId="resetform:email2";
	var user= trimStr(document.getElementById(userId).value);
	var email=trimStr(document.getElementById(emailId).value);
	var flag=true;
	if(user.length==0){
		document.getElementById(userId).value="";
		document.getElementById(userId).focus();
		alert("Please enter user name.");
		flag=false;
	}else if(email.length==0){
		document.getElementById(emailId).value="";
		document.getElementById(emailId).focus();
		alert("Please enter email address.");
		flag=false;
	}
	return flag;
}