// JavaScript Document

var state = 'none'; 
var layer = 'none'; 


function showhide( whichLayer )
{
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}

function showSubMenu(whichLayer){
/*	showhide( 'activities' );
	showhide( 'projects' );
	showhide( 'educational' );
*/	
	if(whichLayer == 'none'){
			showhide( 'none' );
	}
	
	if(whichLayer == null){
		
	showhide( 'none' );
		showhide(whichLayer);
	}else{
		
		
		
		showhide(whichLayer);
	}
	
	
}


function active(whichLayer){
	var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;

vis.background='#99cccc';
}