// The test was not ready at this point; screw the hook this time
// but check again when needed next time.
return;
}

if ( condition ) {
// Hook not needed (or it's not possible to use it due to missing dependency),
// remove it.
// Since there are no other hooks for marginRight, remove the whole object.
delete this.get;
return;
}

// Hook needed; redefine it so that the support test is not executed again.

return (this.get = hookFn).apply( this, arguments );
}
};
}


(function() {
// Minified: var b,c,d,e,f,g, h,i
var div, style, a, pixelPositionVal, boxSizingReliableVal,
reliableHiddenOffsetsVal, reliableMarginRightVal;

// Setup
div = document.createElement( "div" );
div.innerHTML = " <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
a = div.getElementsByTagName( "a" )[ 0 ];
style = a && a.style;

// Finish early in limited (non-browser) environments
if ( !style ) {
return;
}

style.cssText = "float:left;opacity:.5";

// Support: IE<9
// Make sure that element opacity exists (as opposed to filter)
support.opacity = style.opacity === "0.5";

// Verify style float existence
// (IE uses styleFloat instead of cssFloat)
support.cssFloat = !!style.cssFloat;

div.style.backgroundClip = "content-box";
div.cloneNode( true ).style.backgroundClip = "";
support.clearCloneStyle = div.style.backgroundClip === "content-box";

// Support: Firefox<29, Android 2.3
// Vendor-prefix box-sizing
support.boxSizing = style.boxSizing === "" || style.MozBoxSizing === "" ||
style.WebkitBoxSizing === "";

jQuery.extend(support, {
reliableHiddenOffsets: function() {
if ( reliableHiddenOffsetsVal == null ) {
computeStyleTests();
}
return reliableHiddenOffsetsVal;
},

boxSizingReliable: function() {
if ( boxSizingReliableVal == null ) {
computeStyleTests();
}
return boxSizingReliableVal;
},

pixelPosition: function() {
if ( pixelPositionVal == null ) {
computeStyleTests();
}
return pixelPositionVal;
},

// Support: Android 2.3
reliableMarginRight: function() {
if ( reliableMarginRightVal == null ) {
computeStyleTests();
}
return reliableMarginRightVal;
}
});

function computeStyleTests() {
// Minified: var b,c,d,j
var div, body, container, contents;

body = document.getElementsByTagName( "body" )[ 0 ];
if ( !body || !body.style ) {
// Test fired too early or in an unsupported environment, exit.
return;
}

// Setup
div = document.createElement( "div" );
container = document.createElement( "div" );
container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
body.appendChild( container ).appendChild( div );

div.style.cssText =
// Support: Firefox<29, Android 2.3
// Vendor-prefix box-sizing
"-webkit-box-sizing:border-box;-moz-box-sizing:border-box;" +
"box-sizing:border-box;display:block;margin-top:1%;top:1%;" +
"border:1px;padding:1px;width:4px;position:absolute";

// Support: IE<9
// Assume reasonable values in the absence of getComputedStyle
pixelPositionVal = boxSizingReliableVal = false;
reliableMarginRightVal = true;

// Check for getComputedStyle so that this code is not run in IE<9.
if ( window.getComputedStyle ) {
pixelPositionVal = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
boxSizingReliableVal =
( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";

// Support: Android 2.3
// Div with explicit width and no margin-right incorrectly
// gets computed margin-right based on width of container (#3333)
// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
contents = div.appendChild( document.createElement( "div" ) );

// Reset CSS: box-sizing; display; margin; border; padding
contents.style.cssText = div.style.cssText =
// Support: Firefox<29, Android 2.3
// Vendor-prefix box-sizing
"-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
"box-sizing:content-box;display:block;margin:0;border:0;padding:0";
contents.style.marginRight = contents.style.width = "0";
div.style.width = "1px";

reliableMarginRightVal =
!parseFloat( ( window.getComputedStyle( contents, null ) || {} ).marginRight );

div.removeChild( contents );
}

// Support: IE8
// Check if table cells still have offsetWidth/Height when they are set
// to display:none and there are still other visible table cells in a
// table row; if so, offsetWidth/Height are not reliable for use when
// determining if an element has been hidden directly using
// display:none (it is still safe to use offsets if a parent element is
// hidden; don safety goggles and see bug #4512 for more information).
div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
contents = div.getElementsByTagName( "td" );
contents[ 0 ].style.cssText = "margin:0;border:0;padding:0;display:none";
reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
if ( reliableHiddenOffsetsVal ) {
contents[ 0 ].style.display = "";
contents[ 1 ].style.display = "none";
reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
}

body.removeChild( container );
}

})();


// A method for quickly swapping in/out CSS properties to get correct calculations.
jQuery.swap = function( elem, options, callback, args ) {
var ret, name,
old = {};

// Remember the old values, and insert the new ones
for ( name in options ) {
old[ name ] = elem.style[ name ];
elem.style[ name ] = options[ name ];
}

ret = callback.apply( elem, args || [] );

// Revert the old values
for ( name in options ) {
elem.style[ name ] = old[ name ];
}

return ret;
};


var
ralpha = /alpha\([^)]*\)/i,
ropacity = /opacity\s*=\s*([^)]*)/,

// swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
// see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
rdisplayswap = /^(none|table(?!-c[ea]).+)/,
rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ),
rrelNum = new RegExp( "^([+-])=(" + pnum + ")", "i" ),