if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ //test for MSIE x.x;
var ieversion=new Number(RegExp.$1) // capture x.x portion and store as a number
if (ieversion>=8)
document.write ('');
else if (ieversion>=7)
document.write ('');
else if (ieversion>=6)
document.write ('');
else if (ieversion>=5)
document.write ('');
}
else{
if(/Opera[\/\s](\d+\.\d+)/.test(navigator.userAgent)){
document.write ('');
}
else{
document.write ('');
}
}