// JAVASCRIPT FOR SWAPPING COLLAPSE-IMAGE
// NOVEMBER, 21 2007
// J. SABARESE
                        

function expandCollapse(details,toggle,txt) {
	var detailSection = document.getElementById(details);
	var toggleImage = document.getElementById(toggle);  
	var toggleText = document.getElementById(txt);

	if(detailSection.style.display == 'block'){
		detailSection.style.display = 'none';
		toggleImage.src = 'css/collapsed.gif';
		toggleText.innerHTML = "more…";
		}
		else{
		detailSection.style.display = 'block';
		toggleImage.src = 'css/expanded.gif';  
  		toggleText.innerHTML = "hide";
		}

}