Approximate cssText on a CSSStyleDeclaration object in Firefox

getComputedStyleCssText.js

function getComputedStyleCssText(element){
        var cssObject = window.getComputedStyle(element),
            prop,
            cssText, 
            cssAccumulator = [];

        if(cssObject.cssText != ""){
            return cssObject.cssText;
        }

        for(prop in cssObject){
            if(typeof cssObject[prop] == "string"){
                cssAccumulator.push(prop + " : " + cssObject[prop]);        
            }
        }
        return cssAccumulator.join("; ");
}