var current = 'one';
			var currentclass = 'one';
			var currentsub = 'one';
			var currentsubstatus = false;
			
			function showLoad() {
				$('loading').style.display="block";
			}
			
			function hideLoad() {
				$('loading').style.display="none";
			}
			
			function getContent (page,clsn) {			
				$(current).className=currentclass;
				current = page;
				currentclass=clsn;
				$(page).className='active';
				var url = 'ajax/'+page+'.htm';	
				var target = 'midcontent';
				var myAjax = new Ajax.Updater( target, url, {method: 'get', onLoading: showLoad, onComplete: hideLoad} );								
			}
			
			function getContent2 (page) {				
				var url = 'ajax/'+page+'.htm';	
				var target = 'midcontent';
				var myAjax = new Ajax.Updater( target, url, {method: 'get', onLoading: showLoad, onComplete: hideLoad} );								
			}
			
			function toggle_slide (page) {				
				if (page != currentsub || currentsubstatus==false) {
					Effect.SlideDown('sub'+page,{duration: 0.5,queue:'end'});			
					
					if (currentsubstatus==true) {					
						Effect.SlideUp('sub'+currentsub,{duration: 0.5,queue:'end'});				
					}
					currentsub = page;
					currentsubstatus = true;	
				}			 						
			}