function show_submenu(m){
	dousa_flag=1;
	var showLAYERname='slideItUp'+m;
	YAHOO.util.Dom.setStyle(showLAYERname, 'opacity', 0);
	YAHOO.util.Dom.setStyle(showLAYERname, 'visibility', 'visible');
	YAHOO.util.Dom.setStyle(showLAYERname, 'display', 'block');
	var mylayerAnim1 = new YAHOO.util.Anim(showLAYERname, { 
			opacity:{ from : 0 , to : 0.8 } 
		},1);
		mylayerAnim1.animate();
		mylayerAnim1.onComplete.subscribe(function(){ 
			dousa_flag=0;
		});
}
function hide_submenu(now_flag,m){
	dousa_flag=1;
	shideLAYERname='slideItUp'+now_flag;
	var mylayer2Anim1 = new YAHOO.util.Anim(shideLAYERname, { 
			opacity:{ from : 0.8 , to : 0 } 
		},0.2);
		mylayer2Anim1.animate();
		mylayer2Anim1.onComplete.subscribe(function(){ 
			YAHOO.util.Dom.setStyle(shideLAYERname, 'visibility', 'hidden');
			YAHOO.util.Dom.setStyle(shideLAYERname, 'display', 'none');
			show_submenu(m);
		});
	
}
function submenu_view(m){
	if(dousa_flag==0){
	if(now_flag == m){
		dousa_flag=0;
	}else if(now_flag ==0){
		show_submenu(m);
	}else{
		hide_submenu(now_flag,m);
	}
	now_flag=m;
	}
}


window.onload=function(){
	for(i=1;i<5;i++){
		var hideLAYERname='slideItUp'+i;
		YAHOO.util.Dom.setStyle(hideLAYERname, 'visibility', 'hidden');
		YAHOO.util.Dom.setStyle(hideLAYERname, 'display', 'none');
	}
	now_flag=0;
	dousa_flag=0;
}