/*	Script: element.shortcuts.js
Extends the <Element> object with some basic shortcuts (like .hide and .show).

Dependancies:
	 mootools - <Moo.js>, <String.js>, <Array.js>, <Function.js>, <Element.js>, <Dom.js>

Author:
	Aaron Newton, <aaron [dot] newton [at] cnet [dot] com>
	
Class: Element
		This extends the <Element> prototype.
	*/
Element.extend({

/*	Property: isVisible
		Returns a boolean; true = visible, false = not visible.
		
		Example:
		>$(id).isVisible()
		> > true | false	*/
	isVisible: function() {
		return this.getStyle('display') != 'none';
	},
/*	Property: toggle
		Toggles the state of an element from hidden (display = none) to 
		visible (display = what it was previously or else display = block)
		
		Example:
		> $(id).toggle()
	*/
	toggle: function() {
		return this[this.isVisible() ? 'hide' : 'show']();
	},
/*	Property: hide
		Hides an element (display = none)
		
		Example:
		> $(id).hide()
		*/
	hide: function() {
		this.originalDisplay = this.getStyle('display'); 
		this.setStyle('display','none');
		return this;
	},
/*	Property: show
		Shows an element (display = what it was previously or else display = block)
		
		Example:
		>$(id).show() */
	show: function(display) {
		this.originalDisplay = (this.originalDisplay=="none")?'block':this.originalDisplay;
		this.setStyle('display',(display || this.originalDisplay || 'block'));
		return this;
	},
/*	Property: tidy
		Uses <String.tidy> to clean up common special characters with their ASCII counterparts (smart quotes, elipse characters, stuff from MS Word, etc.).
	*/
	tidy: function(){
		try {	
			if(this.getValue().tidy())this.value = this.getValue().tidy();
		}catch(e){dbug.log('element.tidy error: %o', e);}
	},
	//DO NOT USE THIS METHOD
	//it is temporary, as Mootools 1.1 will negate its requirement
	fxOpacityOk: function(){
		if (!window.ie6)return true;
		var isColor = false;
		try {
			if (new Color(this.getStyle('backgroundColor'))) isColor = true;
		}catch(e){}
		return isColor;
	}
});
//legacy namespace
Element.visible = Element.isVisible;


if(!Element.empty) {
	Element.extend({
		/*
		Property: empty
			Empties an element of all its children (overridden by Mootools 1.1 <Element.empty> if present).
	
		Example:
			>$('myDiv').empty() // empties the Div and returns it
	
		Returns:
			The element.
		*/
		empty: function(){
			//Garbage.trash(this.getElementsByTagName('*'));
			return this.setHTML('');
		}
	});
}
/*	legacy support for $S	*/
var $S = $$;