/**
	GLOBAL VARS
**/
	var yui_Dom = YAHOO.util.Dom;
	var yui_Event = YAHOO.util.Event;
	var yui_Widget = YAHOO.widget;
	
	// Set vars to point to CSS class containing each image watermark for login box
	var hidden = "hidden";
	var watermark_Username = "watermark_username";
	var watermark_Password = "watermark_password";
	var forgotPasswordLink = "https://secure.ecollege.com/propero/remoteindex.learn?action=errors&subaction=problems";
	
/**
	TAB VIEW
**/
// Init: TabView
	yui_Event.onDOMReady(function () {
		new yui_Widget.TabView("tabView");
	});
	
	
/**
	LOGIN BOX
**/
// Username Event: Load
	yui_Event.onContentReady("username", function () {
		if (this.value == "") {
			yui_Dom.addClass(this, watermark_Username);
		}
		else{
			yui_Dom.removeClass(this, watermark_Username);
		}
	});
	
// Username Event: Focus
	yui_Event.on("username", "focusin", function(e) {
		yui_Dom.removeClass(this, watermark_Username);
	});
	
// Username Event: Blur
	yui_Event.on("username", "focusout", function(e) {
		if (this.value == "") {
			yui_Dom.addClass(this, watermark_Username); 
		}
	});
	
// Password Event: Load
	yui_Event.onContentReady("password", function () {
		if (this.value == "") {
			yui_Dom.addClass(this, watermark_Password); 
		}
		else{
			yui_Dom.removeClass(this, watermark_Password);
		}
	});
	
// Password Event: Focus
	yui_Event.on("password", "focusin", function(e) {
		yui_Dom.removeClass(this, watermark_Password); 
	});
	
// Password Event: Blur
	yui_Event.on("password", "focusout", function(e) {
		if (this.value == "") {
			yui_Dom.addClass(this, watermark_Password); 
		}
	});
	
	
/**
	OPEN 'Forgot your password?' Page
**/
	function ForgotPassword(){
		// Ref to iFrame containing the URL to 'Forgot your password?' page
		yui_Dom.get( 'iFrameWindow1' ).setAttribute( 'src', forgotPasswordLink );
		
		// Display the div container
		OpenElement( 'forgotPassword' );
	}
	
	
/**
	OPEN BUTTON
**/
	function OpenElement( pElement ){
		if ( yui_Dom.hasClass( pElement, hidden ) ){
			yui_Dom.removeClass( pElement, hidden );
		}
		else {
			yui_Dom.addClass( pElement, hidden );
		}
	}
	
	
/**
	CLOSE BUTTON
**/
	function CloseElement( pElement ){
		yui_Dom.addClass( pElement, hidden );
	};