function f_btnMouseOver(button) {
	if (button.className == "mybtnOver") { button.className = "mybtn";}
 	else {button.className = "mybtnOver";}
}

function f_cmtMouseOver(cmtid) {
	id2check = 'comheadbtncontainer-' + cmtid;
	if (document.getElementById(id2check).style.visibility == "hidden") {
		document.getElementById(id2check).style.visibility = "visible";
	} else {
		document.getElementById(id2check).style.visibility = "hidden";
	}
}