var bubbleCss = document.createElement('style');
bubbleCss.type = 'text/css';
bubbleCss.innerHTML = blc_conf.bubbleStyle;
document.getElementsByTagName('head')[0].appendChild(bubbleCss);

window.bc_bubble_css = blc_conf.bubbleStyle;
document.createStyleSheet("javascript:bc_bubble_css");

var s = document.createStyleSheet();
var rules = blc_conf.bubbleStyle.replace(////*[^/*]*/*///g, "").replace(/@[^{]*/{/g, '').match(/[^/{/}]+/{[^/}]+/}/g);
for(var i = 0; i < rules.length; i++) {
    var m = rules[i].match(/(.*)/s*/{/s*(.*)/}/);
    if(m) {
        try {
            s.addRule(m[1], m[2]);
        } catch(e) {
        }
    }
}