function sqlQueryBlockCollapseExpandClick(headlinebody) {
	var body = headlinebody.nextSibling.nextSibling;
	var style = body.style.visibility;

	var classarr = headlinebody.className.split(' ');
	var classname = '';
	for (var i in classarr) {
		if ( (classarr[i]!='expanded') && (classarr[i]!='collapsed')) {
			classname += classarr[i] + ' ';
		} 
	} 

	if (style=='collapse') {
		style = 'visible';
		headlinebody.className = classname+'expanded';
	} else {
		style = 'collapse';
		headlinebody.className = classname+'collapsed';
	}
	body.style.visibility = style;
}