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;
}