/*
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ie¶û ÆÄÆø±îÁö´Â µÈ´Ù...
*/
var _initTop = 0;
var _layerID = "";
var _initPlay = 1;

function FlowBanner ( id, initTop ,initPlay)
{
	if ( initPlay == undefined || initPlay == "undefined" ) {
		_initPlay = 1
	}else{
		_initPlay = 0;
	}
	var ns = (navigator.appName.indexOf("Netscape") != -1);
	if (ns) initTop = initTop

	var layer = document.getElementById(id);
	layer.style.top = initTop+"px";

	_layerID = id;
	_initTop = initTop;
	if ( _initPlay == 1 ) _FlowBanner ();
}

function _FlowBanner ()
{
	var layer = document.getElementById(_layerID);
	var ns = (navigator.appName.indexOf("Netscape") != -1);

	if (ns){
		num = (layer.style.top.length);
		var currentTop = layer.style.top.substring(0,(num-2));
		currentTop = parseInt(currentTop);
	}else{
		var currentTop = parseInt ( layer.style.top );
	}

	if (ns){
		var baseTop = parseInt ( document.documentElement.scrollTop );
	}else{
		var baseTop = parseInt ( document.documentElement.scrollTop );
	}

	var nextTop = baseTop + _initTop;
	var distance = ( nextTop - currentTop ) / 15;

	if ( distance > 10 )
		distance = 10;
	else if ( distance < -10 )
		distance = -10;
	if (ns){
		layer.style.top = (currentTop + distance)+"px";
	}else{
		layer.style.top = (currentTop + distance)+"px";
	}




 setTimeout ( "_FlowBanner()", 3 );
}

function init()
{
 FlowBanner( "quick", 185 );
}