jQuery.support.css3.js

// jQuery.support.css3
// verifies css3 properties across browsers
// i.e. $.support.css3('transition')
$.support.css3 = function(prop) { 
    var 
        support = false,
        thisBody = document.body || document.documentElement,
        thisStyle = thisBody.style,
        uc_prop = prop.charAt(0).toUpperCase() + prop.substr(1),
        props = [
            prop,
            'Webkit' + uc_prop,
            'Moz' + uc_prop,
            'O' + uc_prop,
            'ms' + uc_prop,
            'Khtml' + uc_prop
        ]
    ;
    for ( var i in props ) {
        if ( thisStyle[ props[i] ] !== undefined ) {
            support = true;
            break;
        }
    }
    return support; 
};