advst_height = (/^\d+$/.test(advst_height.toString())) ? advst_height + "px" : advst_height;
    advst_width = (/^\d+$/.test(advst_width.toString())) ? advst_width + "px" : advst_width;
    
            //if ((navigator.userAgent.indexOf('MSIE') != '-1') || (navigator.userAgent.indexOf('Firefox') != '-1')) {
        if (1) {
            if(!window.advstZV){window.advstZV=[];window.advstTzvid=[]};
            
            document.write('<div style="height:' + advst_height + ';width:' + advst_width + '" id="advstZv_ref_'+advstZV.length+'">');
            document.write('<div style="display:block;visibility:hidden;height:100%;width:100%" id="advstZv'+advstZV.length+'">');
            
            var obj = document.getElementById("advstZv_ref_"+advstZV.length);
            
            advst_height = (obj.offsetHeight) ? obj.offsetHeight : parseInt(advst_height);
            advst_width = (obj.offsetWidth) ? obj.offsetWidth : parseInt(advst_width);
            
            advstTzvid.push(advstZV.length);
            advstZV.push(['advstZv'+advstZV.length,0,'ad.advertstream.com',advst_width,advst_height,true,window.advst_zoneid,advst_bg,advst_tcolor,advst_text,advst_border,window.advst_image,window.advst_player,window.advst_keep_image_ratio,window.advst_js_callback]);
        }