function highlightme(me, linkid, linkclass, linkoverclass){
	if(me.className.indexOf('high') == -1) {
		me.className += "high"
		document.getElementById(linkid).className = linkoverclass;
	} else {
		me.className = me.className.substring(0,me.className.length-4);
		document.getElementById(linkid).className = linkclass;
	}
}