// check submission
function checksub() {
	quote = document.getElementById('quote_field');
	if (quote.value == "") {		// cannot submit empty field
		alert("You didn't put in a quote you big silly.");
		return false;
	}
	return true;
}

// show/hide "help"
function showHelp(evt) {
	var help = document.getElementById('tag_info');
	var curStyle = help.style['display'];
	if (curStyle != 'block') help.style['display'] = 'block';
	else help.style['display'] = 'none';
}
function setCursor(evt) {
	var help = document.getElementById('help_tag');
	var cur = help.style['cursor'];
	if (cur != 'help') help.style['cursor'] = 'help';
	else help.style['cursor'] = 'normal'; 
}
function setup() {
	var objTag = document.getElementById('help_tag');	// get object
	// add event listeners
	objTag.addEventListener( "click", showHelp, false);			
	objTag.addEventListener( "mouseover", setCursor, false);
	objTag.addEventListener( "mouseout", setCursor, false);
}