// JavaScript for expand and collapse div menu

function switchMenu(obj,ima) {
	var me = document.getElementById(obj);
	var im = document.getElementById(ima);
	if ( me.style.display != "none" ) {
		me.style.display = 'none';
		if (im) 
		  {im.src='/depts/huminst/images/plus.gif';}	
		}
	else {
		me.style.display = 'block';
		if (im) 
		 	{ im.src='/depts/huminst/images/minus.gif';}	
		}
	
}