function proofLoaded() {
	if (document.readyState == "complete") {
		getheight('content_right');
		getheight('content_left');
		if(divheight['content_right'] - divheight['content_left'] > 100) {
			document.getElementById('tweets').style.display = 'block';
		}
		if(divheight['content_right'] - divheight['content_left'] > 300) {
			document.getElementById('ads').style.display = 'block';
		}
	}else {
		setTimeout('proofLoaded()', 50);
	}
}
var divheight = new Array();
proofLoaded();
function getheight(divid) {
	var targetdiv = document.getElementById(divid);
	divheight[divid] = targetdiv.offsetHeight;
}