var Hoffset=782 //Coordenada X a partir da direita da tela
var Voffset=30 //Coordenada Y a partir do topo da página
var thespeed=3 //Velocidade (Advised: 1-3)

var ieNOTopera=document.all&&navigator.userAgent.indexOf("Opera")==-1
var myspeed=0

var ieHoffset_extra=document.all?15:0
//var cross_obj=document.all? document.all.staticbuttons : document.getElementById? document.getElementById("staticbuttons") : document.staticbuttons
var cross_obj=document.all? document.all.staticbuttons_div : document.getElementById? document.getElementById("staticbuttons_div") : document.staticbuttons_div

function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function positionit(){
var dsocleft=document.all?iecompattest().scrollLeft:pageXOffset;
var dsoctop=document.all?iecompattest().scrollTop:pageYOffset;
var window_width=ieNOTopera?iecompattest().clientWidth+ieHoffset_extra:window.innerWidth+ieHoffset_extra;
var window_height=ieNOTopera?iecompattest().clientHeight:window.innerHeight;

	if(navigator.appVersion.indexOf("MSIE 6.0")>-1)
	{
		if (document.all||document.getElementById)
		{
			
		var foo=document.getElementById("footer").offsetTop;
		x=Hoffset;
		y=dsoctop+Voffset;
		w=dsoctop-Voffset;
		z=cross_obj.offsetHeight+y;
		if(foo<z)
		{
			cross_obj.style.left=x+"px";
			cross_obj.style.top=y/2+"px";
		}
		else
		{
			cross_obj.style.left=x+"px";
			cross_obj.style.top=y+"px";
		}
			
		}
	}
	else
	{
		
		
		var foo=document.getElementById("footer").offsetTop;
		x=Hoffset;
		y=dsoctop+Voffset;
		w=dsoctop-Voffset;
		z=cross_obj.offsetHeight+y;
		if(foo<z)
		{
			cross_obj.style.left=x+"px";
			if (y < 600) 
			{
			  cross_obj.style.top=y+"px";
            }
		}
		else
		{
			cross_obj.style.left=x+"px";
			cross_obj.style.top=y+"px";
		}
	}
}

function staticbuttons_hidediv(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'none';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'none';
		}
		else { // IE 4
			document.all.id.style.display = 'none';
		}
	}
}

function staticbuttons_showdiv(id) {
	//safe function to show an element with a specified id
		  
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'block';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'block';
		}
		else { // IE 4
			document.all.id.style.display = 'block';
		}
	}
}

function scrollwindow(){
window.scrollBy(0,myspeed)
}

function initializeIT(){
positionit()
if (myspeed!=0){
scrollwindow()
}
}

if (document.all||document.getElementById||document.layers)
{
    if(screen.width>800)
    {
        staticbuttons_showdiv("staticbuttons_div");
        setInterval("initializeIT()",1)
    } else
    {
        staticbuttons_hidediv("staticbuttons_div");
    }
}