OldObj = "";
function unhide(Obj){
	if(OldObj != Obj){
		if(OldObj != ""){
			document.getElementById(OldObj).style.display = "none";
			//Effect.SlideUp(OldObj);
		}
		document.getElementById(Obj).style.display = "block";
		//Effect.SlideDown(Obj, {duration:1 ,onComplete:function (){ alert('end!'); }});			
		OldObj = Obj;
	}	
}
function xhide(){
	document.getElementById(OldObj).style.display = "none";
	//Effect.SlideUp(OldObj);
}
function setFlashHeight(newH){
	document.getElementById('MainMenu').style.height = newH+"px";
	document.getElementById('main_top').style.height = newH+"px";	
}