function hidehelp() {
	if (document.getElementById){
		var large = document.getElementById("large");
		var pdf = document.getElementById("pdf");
		if (large != null) {
		   large.style.display = "none";
		}
		if (pdf != null) {
			pdf.style.display = "none";
		}
	}
}

function showhelp(divname) {
	if (document.getElementById) {
		var divtoshow;
		divtoshow = document.getElementById(divname).style;
		if (divtoshow.display == 'none') {
        	divtoshow.display = 'block';
    	} else {
        	divtoshow.display = 'none';
  		}
	}
	return false;
}