var UpIMG = new Image(35, 24);
UpIMG.src = "ecards/images/up2.gif";

var DownIMG = new Image(35, 24);
DownIMG.src = "ecards/images/down2.gif";

var ScrollPos = 0;
var Scroll = 0;
var tmrScroll = 0;
var ScrollSpeed = 1;
var maxHeight = 0;

function ScrollDown()
{
	Scroll = 2;
	tmrScroll = window.setInterval("ScrollNow()", 25);
}

function ScrollUp()
{
	Scroll = 1;
	tmrScroll = window.setInterval("ScrollNow()", 25);
}

function StopScroll()
{
	Scroll = 0;
	ScrollNow();
	ScrollSpeed = 1;
}

function ScrollNow()
{
	switch(Scroll)
	{
		case 0:
			clearInterval(tmrScroll);
			break;
		case 1:
			var DIV = frames["ListFrame"].document.getElementById("Picker");
			ScrollPos = ScrollPos - ScrollSpeed;
			if(ScrollPos < 0)
				ScrollPos = 0;
			DIV.scrollTop = ScrollPos;
			break;
		case 2:
			var DIV = frames["ListFrame"].document.getElementById("Picker");
			ScrollPos = ScrollPos + ScrollSpeed;
			if(DIV.scrollHeight > 285)
			 maxHeight = DIV.scrollHeight - 285;
			 
			if(ScrollPos > maxHeight)
				ScrollPos = maxHeight;
			DIV.scrollTop = ScrollPos;
			break;
	}
	
}