// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults

function toggle_image(imagename,imagesrc){
	if (document.images){
		document.images[imagename].src=imagesrc;
	}
}

function toggle_block(indicator, block) { 
    if (document.getElementById(block).style.display == "none"){
	   document.getElementById(block).style.display = 'block';
	   toggle_image(indicator,'/images/expanded.gif');			
    } else {
		toggle_image(indicator,'/images/unexpanded.gif');
		document.getElementById(block).style.display = 'none';			
	}	
}