var isDOM = (document.getElementById ? true : false);
var isIE4 = ((document.all && !isDOM) ? true : false);
var isNS4 = (document.layers ? true : false);
var isNS = false ;

if(navigator.appName == "Netscape")
{
	isNS = true;
} 


var fixedBanner = {};
var pass="";
fixedBanner.ele = document.getElementById('floater');
fixedBanner.top = 0;
fixedBanner.ele.getElementsByTagName('div')[0].style.top = 0-document.body.scrollHeight+470+'px';

/*DO NOT MODIFY*/

if ((screen.width <= 800) && (screen.height <= 600))
{
	var pass=false;
} 
else
{
	var pass=true;
}

fixedBanner.y = 0;


fixedBanner.getPagePosition = function()
{
	/*
	var y;

	if (document.documentElement.scrollTop)
	{
		y = document.documentElement.scrollTop;
	}
	else if(document.body)
	{
		y = document.body.scrollTop;
	}
	else
	{
		y = document.getElementsByTagName('body')[0].scrollTop;
	}
	
	fixedBanner.h = fixedBanner.ele.getElementsByTagName('div')[0].offsetHeight;
	return y;*/
	var y;
	if(document.body.scrollTop){
	  y=document.body.scrollTop;
	}
	else{
	  y=document.documentElement.scrollTop;
	}
	return y;
}

fixedBanner.setPosition = function()
{
	if(pass==false)
	{
		fixedBanner.ele.style.display="none";
		return;
	}

	var z = fixedBanner.getPagePosition();
	if(fixedBanner.y != z)
	{
		z = fixedBanner.y +240+ (z - fixedBanner.y)/2 + fixedBanner.top ;
		if (z+fixedBanner.h > document.body.scrollHeight)
			return;
		
		//fixedBanner.ele.style.top =  z + 'px';
		fixedBanner.ele.getElementsByTagName('div')[0].style.top =  z + 'px';
		fixedBanner.y = z;
	}
}

setInterval(fixedBanner.setPosition,100);