/*
* jQuery ifixpng plugin
* renamed from pngfix to ifixpng due to naming conflict 
* with another plugin
* Version 1.7  (18/09/2007)
* @requires jQuery v1.1.3 or above
*
* Examples at: http://jquery.khurshid.com
* Copyright (c) 2007 Kush M.
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*/
(function($) {
$.ifixpng = function(customPixel) {
$.ifixpng.pixel = customPixel;
};
$.ifixpng.getPixel = function() {
return $.ifixpng.pixel || 'images/pixel.gif';
};
var hack = {
ltie7  : $.browser.msie && /MSIE\s(5\.5|6\.)/.test(navigator.userAgent),
filter : function(src) {
return "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,sizingMethod=crop,src='"+src+"')";
}
};
$.fn.ifixpng = hack.ltie7 ? function() {
return this.each(function() {
var $$ = $(this);
var base = $('base').attr('href'); 
if ($$.is('img') || $$.is('input')) { 
if ($$.attr('src').match(/.*\.png([?].*)?$/i)) {
var source = (base && $$.attr('src').substring(0,1)!='/') ? base + $$.attr('src') : $$.attr('src');
$$.css({filter:hack.filter(source), width:$$.width(), height:$$.height()})
.attr({src:$.ifixpng.getPixel()})
.positionFix();
}
} else {
var image = $$.css('backgroundImage');
if (image.match(/^url\(["']?(.*\.png([?].*)?)["']?\)$/i)) {
image = RegExp.$1;
$$.css({backgroundImage:'none', filter:hack.filter(image)})
.positionFix();
}
}
});
} : function() { return this; };
$.fn.iunfixpng = hack.ltie7 ? function() {
return this.each(function() {
var $$ = $(this);
var src = $$.css('filter');
if (src.match(/src=["']?(.*\.png([?].*)?)["']?/i)) { // get img source from filter
src = RegExp.$1;
if ($$.is('img') || $$.is('input')) {
$$.attr({src:src}).css({filter:''});
} else {
$$.css({filter:'', background:'url('+src+')'});
}
}
});
} : function() { return this; };
$.fn.positionFix = function() {
return this.each(function() {
var $$ = $(this);
var position = $$.css('position');
if (position != 'absolute' && position != 'relative') {
$$.css({position:'relative'});
}
});
};
})(jQuery);
