IFRAME Cross Browsing

//IE Code
document.getElementById('iframeName').document.body.scrollHeight; document.getElementById('iframeName').document.location.href;

//Firefox Code
document.getElementById('iframeName').contentDocument.body.scrollHeight; document.getElementById('iframeName').contentDocument.location.href;

//Cross Browsing Code
document.getElementById('iframeName').contentWindow.body.scrollHeight; document.getElementById('iframeName').contentWindow.location.href;