var open_bcast = null;

var steps = 5;

function expand(which, height, maxH){
	
	var speed = maxH / steps;
	
	document.getElementById(which + '_outer').style.height = height + "px";
	
	if(height < maxH - speed){
		height += speed;
		window.setTimeout("expand('" + which + "'," + height + "," + maxH + ")", 10);
	}else{
		document.getElementById(which + '_outer').style.height = maxH + "px";
	}
}

function collapse(which, height, maxH){

	var speed = maxH / steps;

	document.getElementById(which + '_outer').style.height = height;
	
	if(height > speed){
		height -= speed;
		window.setTimeout("collapse('" + which + "'," + height + "," + maxH + ")", 10);
	}else{
		document.getElementById(which + '_outer').style.height = "0px";
	}
}