function controlMenu(parent_id){

	hideAll();
	
	childName	= "child["+parent_id+"]";
	status		= defineStatusLayer(childName);
	if(status == true)	{hideLayer(childName);}
	else				{displayLayer(childName);}
}
function hideAll(){
	
		for(i=0;i<parentIdArray.length;i++){
		ichildName	= "child["+parentIdArray[i]+"]";
		hideLayer(ichildName);

	}
}