function resize_iframe() { if(typeof(window.innerHeight) != 'undefined') { var height=window.innerHeight;//Firefox } else { if (typeof(document.body.clientHeight) != 'undefined') { var height=document.body.clientHeight;//IE } } //resize the iframe according to the size of the //window (all these should be on the same line) document.getElementById("remote-channel").style.height=parseInt(height-document.getElementById("remote-channel").offsetTop-8)+"px"; } window.onresize=resize_iframe;