Function.prototype.bind = function( bind, args ) {
	var fn = this;
	
	return function() {
		fn.apply( bind ? bind : fn, args ? args : [] );
	};
};

Function.prototype.delay = function( delay, bind, args ) {
	var fn = this;
	
	return setTimeout(
	  fn.bind( bind, args ),
		delay
	);
};

function getIEVersion()
{
  var m;
  
  if( m = navigator.userAgent.toLowerCase().match( /msie (.{3})/ ) )
    return parseFloat( m[1] );
  else
    return null;
}

$( function() {
	if( $.browser.msie && getIEVersion() < 7 ) 
  {
		$( ".pngfix img" ).each( function() {
		  if( this.src.match( /\.png$/ ) )
		  {
				$( this ).load( function( event ) {
					if( ! event.target.src.match( /blank\.gif$/ ) )
						$( this )
						  .css( "width", $( this ).width() )
						  .css( "height", $( this ).height() )
						  .css( "filter", "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + this.src + "', sizingMethod='scale');" )
						  .attr( "src", "images/blank.gif" );
				} );
			}
		} );
	}
} );