/*
New in this version:
	- Requires Mootools 1.3
	- Automatically fixes background images

Author: Andrew Ferri <andrew@blacksheepcreative.co.nz>
*/

spacerPNGimg = bsc.site.scripts + 'scripts.2/asset/fixpng.2/spacer.gif';

window.addEvent('load',function(){
	if (Browser.ie6)
	{
		$(document.body).getElements('*').each(function(el){
			if (el.hasClass('nopngfix') == false)
			{
				var bg = el.getStyle('background-image');
				if (bg.test('^url', 'i'))
				{
					var src = bg.substring(5, bg.length-2);
					if (src.test('\.png', 'i'))
					{
						el.fixPNG();
					}
				} else
				{
					if (el.src)
					{
						if (el.src.test('\.png', 'i'))
						{
							el.fixPNG();
						}
					}
				}
			}
		});
	}
});

Element.implement({
	fixPNG: function()
	{
		if ((Browser.ie6) && (!this.retrieve('fixPNG')))
		{
			if ((this.get('tag') == 'img') || (this.get('tag') == 'input'))
			{
				// Fix PNG img
				var size = this.getSize();
				this.setStyles({
					'width': size.x,
					'height': size.y,
					'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + this.src + "', sizingMethod='scale')"
				}).setProperty('src', spacerPNGimg);
			} else
			{
				// Fix PNG background
				var bg = this.getStyle('background-image');
				var src = bg.substring(5, bg.length-2);
				var mode = (this.getStyle('background-repeat') == 'no-repeat' ? 'crop': 'scale');
				this.setStyles({
					'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='" + mode + "')",
					'background-image':	'url(' + spacerPNGimg + ')'
				});
			}
			
			this.store('fixPNG', true);
		}
	}
});