if (!force && elem.style[prop]) {
ret = elem.style[prop];
} else if (document.defaultView && document.defaultView.getComputedStyle) {
if (prop == "cssFloat" || prop == "styleFloat")
prop = "float";
prop = prop.replace(/([A-Z])/g,"-$1").toLowerCase();
var cur = document.defaultView.getComputedStyle(elem, null);
if ( cur )
ret = cur.getPropertyValue(prop);
else if ( prop == 'display' )
ret = 'none';
else
jQuery.swap(elem, { display: 'block' }, function() {
var c = document.defaultView.getComputedStyle(this, '');
ret = c && c.getPropertyValue(prop) || '';
});
} else if (elem.currentStyle) {
var newProp = prop.replace(/-(w)/g,function(m,c){return c.toUpperCase();});
ret = elem.currentStyle[prop] || elem.currentStyle[newProp];
}
return ret;
},
clean: function(a) {
var r = [];
for ( var i = 0; i < a.length; i++ ) {
