function setUp() {
	var moreInfoElmnts = getByClass(document,"moreInfo","div");
	for (i=0;i<moreInfoElmnts.length;i++ ){
		moreInfoElmnts[i].style.display = "none";
	}
}
function moreInfoOpen(obj) {
	var moreInfoElmnts = getByClass(obj.parentNode,"moreInfo","div");
	if (moreInfoElmnts[0].style.display == "none"){
		moreInfoElmnts[0].style.display = "block";
	}else{
		moreInfoElmnts[0].style.display ="none";
	}
}
function getByClass( parentElmnt,className,tagName){
	var cElmnts = new Array();
	var elmnts = parentElmnt.getElementsByTagName(tagName);
	for (i=0;i<elmnts.length; i++) {
		if (elmnts[i].className == className){
			cElmnts.push(elmnts[i]);
		}
	}
	return cElmnts;
}