function iFrameHeight() {
	var h = 0;
	var Opera = window.opera ? true : false;
	if (Opera) {
		h = document.getElementById('blockrandom').contentDocument.getElementById('inHeight').offsetHeight + 20;
		document.getElementById('blockrandom').setAttribute("height",h);
	} else if ( !document.all ) {
		h = document.getElementById('blockrandom').contentDocument.height;
		document.getElementById('blockrandom').style.height = h + 60 + 'px';
	} else if( document.all ) {
		h = document.frames('blockrandom').document.body.scrollHeight;
		document.all.blockrandom.style.height = h + 20 + 'px';
	}
}