function showhide(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		if (document.getElementById(id).style.display == 'none') {
			document.getElementById(id).style.display = 'block';
		} else {
			document.getElementById(id).style.display = 'none';
		}
	}
	else {
		if (document.layers) { // Netscape 4
			if (document.id.display == 'none') {
				document.id.display = 'block';
			} else {
				document.id.display = 'none';
			}
		}
		else { // IE 4
			if (document.all.id.style.display == 'none') {
				document.all.id.style.display = 'block';
			} else {
				document.all.id.style.display = 'none';
			}
		}
	}
}

function getUserInfo() {
	var anchor = document.getElementById('addCommentButton');
	var tStamp = document.createElement('input');
	tStamp.type = 'hidden';tStamp.id = 'tStamp';
	tStamp.name = 'tStamp';tStamp.value = '2961';
	anchor.parentNode.insertBefore(tStamp,anchor);
	var divArray = document.getElementsByTagName('div');
	for(var i=0;i<divArray.length;i++) {
		if(divArray[i].className == 'post') {
			document.getElementById('postID').value = divArray[i].id;
		}
	}
}