// JavaScript Document

var browser	= false;
var up		= false;


window.onresize = function()
{
	if (browser == "IE") { setIE(); }
}

window.onscroll = function()
{
	if (browser == "IE") { setIE(); }
}

function checkBrowser()
{
	up = document.getElementById("up");
	// IE
	if(up) {
		if(navigator.userAgent.indexOf("MSIE 7.0") > -1) {
			up.style.position	= "fixed";
			up.style.bottom		= "0px";
			browser 			= "IE7";
		} else if(navigator.userAgent.indexOf("MSIE 6.0") > -1) {
			up.style.position	= "absolute";
			browser				= "IE";
		} else {
			up.style.position	= "fixed";
			up.style.bottom		= "0px";
		}
	}
}

function setIE()
{
	up.style.top = (document.documentElement.clientHeight + document.documentElement.scrollTop - up.style.height.substr(0,up.style.height.length-2)) + "px";
}


startFunction = function() { checkBrowser(); }
window.onload = startFunction;