var flag = false;

if (document.images)
{
	navabout_on = new Image();navabout_on.src = '/images/navabout_on.gif';
	navpeople_on = new Image();navpeople_on.src = '/images/navpeople_on.gif';
	navpublications_on = new Image();navpublications_on.src = '/images/navpublications_on.gif';
	navcareer_on = new Image();navcareer_on.src = '/images/navcareer_on.gif';
	navwork_on = new Image();navwork_on.src = '/images/navwork_on.gif';
	
	navalumniabout_on = new Image();navalumniabout_on.src = '/images/navalumniabout_on.gif';
	navalumninews_on = new Image();navalumninews_on.src = '/images/navalumninews_on.gif';
	navalumnidir_on = new Image();navalumnidir_on.src = '/images/navalumnidir_on.gif';
	navalumnilinks_on = new Image();navalumnilinks_on.src = '/images/navalumnilinks_on.gif';
	
	flag = true;
}


function msover(imgObj){
     if (flag){
                           imgObj.src=eval(imgObj.name + '_on.src');
                            }
}

function msout(imgObj){
       if (flag){
                 imgObj.src='/images/' + imgObj.name + '.gif';
                             }
}



function Toggle(el, srcObj) {
	var togObj = document.getElementById(el);
	if (togObj.style.display == "block" || togObj.style.display == "" ) {
		togObj.style.display = "none";
		srcObj.className = "moreplus";
	}
	else {
		togObj.style.display =  "block";
		srcObj.className = "morepluson";
	}
}

// People section
function ToggleCity(str) {
	document.getElementById("citywrap").className = "city" + str;
}