function resized() {
	var newheight;
	if (document.layers) {
		//netscape not tested
		newheight = window.innerHeight - document.getElementById('tab').offsetHeight;
		document.cmecfMainContent.height = newheight+"px";
	} else if (document.all) {
		//mac IE and (not PC IE)
		newheight = document.body.offsetHeight - document.getElementById('tab').offsetHeight;
		cmecfMainContent.style.height = newheight+"px";
	} else {
		//works for safari - same code as for netscape
		newheight = window.innerHeight - document.getElementById('tab').offsetHeight;
		cmecfMainContent.style.height = newheight+"px";
	}
}