function notEmpty(elem, helperMsg){
	if(elem.value.length == 0){
		alert(helperMsg);
		elem.focus(); // set the focus to this input
		return false;
	}
	return true;
}

function isNumeric(elem, helperMsg){
	var numericExpression = /^[0-9]+$/;
	if(elem.value.match(numericExpression)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function isAlphabet(elem, helperMsg){
	var alphaExp = /^[a-zA-Z]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function emailValidator(elem, helperMsg){
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
	if(elem.value.match(emailExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function madeSelection(elem, helperMsg){
	if(elem.value == "country"){
		alert(helperMsg);
		elem.focus();
		return false;
	}else{
		return true;
	}
}



/******************* validation for login form fields  *****************************/

function LoginValid()
{


	var user = document.getElementById("user");
	var pass = document.getElementById("pass");
	
	if( (notEmpty(user," Please enter User Name")) && (isAlphabet(user,"Please enter only Letters ")) )
	{

				if((notEmpty(pass, " Please enter Password")))
				{

				return true;
				
				}

	}


	return false;


}