ub=/^margin/,vb=new RegExp("^("+Q+")(?!px)[a-z%]+$","i"),wb=function(b){return b.ownerDocument.defaultView.opener?b.ownerDocument.defaultView.getComputedStyle(b,null):a.getComputedStyle(b,null)};function xb(a,b,c){var d,e,f,g,h=a.style;return c=c||wb(a),c&&(g=c.getPropertyValue(b)||c[b]),c&&(""!==g||n.contains(a.ownerDocument,a)||(g=n.style(a,b)),vb.test(g)&&ub.test(b)&&(d=h.width,e=h.minWidth,f=h.maxWidth,h.minWidth=h.maxWidth=h.width=g,g=c.width,h.width=d,h.minWidth=e,h.maxWidth=f)),void 0!==g?g+"":g}func