function inlineFieldLabel (intra_class, inputid){
	var textInput = $(inputid);
	if(textInput.val() == "") {
		textInput.addClass(intra_class);
	}

	textInput.focus(function() {
		$(this).removeClass(intra_class);
	});
	textInput.blur(function() {
		if(this.value == "") {
			$(this).addClass(intra_class);
		};
	});
}

$(document).ready(
	function() { 
		inlineFieldLabel("intra-password", "#password input");
		inlineFieldLabel("intra-username", "#username input" );
		inlineFieldLabel("intra-search", "#searchString input" );
		inlineFieldLabel("join-now", "#join-now input" );
	}
);