// JavaScript Document
var currSelection=new Array();
var menuTimer;
function scrollDown(target,index){    
	if(currSelection[index]!=target){
		currSelection[index]=target;
		whiteBase=target.getElementsByTagName("span")[0];
		menu=target.getElementsByTagName("span")[1];
		moveTweenOut = new Tween(whiteBase.style,'top',Tween.EaseIn, 0, 27, 0.2,"px");
		opacityTweenOut = new OpacityTween(whiteBase,Tween.EaseOut, 0, 100, 0.2);
		moveTweenOut.start();
		opacityTweenOut.start();
		if(navigator.appName=="Microsoft Internet Explorer" ){
			menu.firstChild.style.display="block";
		}else{
			opacityTweenOut1 = new OpacityTween(menu,Tween.EaseOut, 0, 100, 0.2);
			opacityTweenOut1.start();
		}
		
	}else{
		clearTimeout(menuTimer);
	}
}
function scrollUp(target,index){
	menuTimer=setTimeout(function(){ fadeOut(target,index) },5)
}
function fadeOut(target,index){
	whiteBase=target.getElementsByTagName("span")[0];
	menu=target.getElementsByTagName("span")[1];
	moveTweenOut = new Tween(whiteBase.style,'top',Tween.EaseIn, 27, 0, 0.2,"px");
	opacityTweenOut = new OpacityTween(whiteBase,Tween.EaseOut, 100, 0, 0.2);
	moveTweenOut.start();
	opacityTweenOut.start();
	
	if(navigator.appName=="Microsoft Internet Explorer"){
		menu.firstChild.style.display="none";
	}else{
		opacityTweenOut1 = new OpacityTween(menu,Tween.EaseOut, 100, 0, 0.2);
		opacityTweenOut1.start();
	}
	currSelection[index]=null;
}