function iFrameHeight() { var h = 0; var mark = ''; if ( !document.all ) { h = document.getElementById('blockrandom').contentDocument.height; document.getElementById('blockrandom').style.height = h + 60 + 'px'; mark = document.getElementById('blockrandom').contentDocument.location.hash; if (mark) { document.getElementById('blockrandom').contentDocument.location.hash = mark; } } else if( document.all ) { h = document.frames('blockrandom').document.body.scrollHeight; document.all.blockrandom.style.height = h + 20 + 'px'; mark = document.frames('blockrandom').window.location.hash; if (mark) { document.frames('blockrandom').window.location.hash = mark; } }}