function showParagraph (section,chgif){
	if (section.style.display=="none"){section.style.display="";chgif.src="images/hide.gif"}
	else{section.style.display="none";chgif.src="images/show.gif"}
}

function hideParagraph (section,chgif){
	if (section.style.display==""){section.style.display="none";chgif.src="images/show.gif"}
}