function OpenMenu(id){
	menu_obj = document.getElementById(id);
	src_obj = document.getElementById(id +"_src");
	
	if(menu_obj.style.visibility =='hidden' || menu_obj.style.visibility ==''){
		menu_obj.style.visibility = "visible";
	}else{
		menu_obj.style.visibility = "hidden";
	}
	
}

function HideCBox( boxid ) {
   var target = document.getElementById(boxid);
   if( target.style.display != "none" ) {
      target.style.display = "none";
   }
   else {
      target.style.display = "";
   }
}