ua = 0;
if(navigator.userAgent.indexOf("Opera") >= 0){
ua = 2;
}
else if( (navigator.userAgent.indexOf("MSIE 6.") >= 0)
&&(navigator.userAgent.indexOf("Windows") >= 0) ){
ua = 1;
}
else if( (navigator.userAgent.indexOf("MSIE 5.") >= 0)
&&(navigator.userAgent.indexOf("Windows") >= 0) ){
ua = 1;
}
else if( (navigator.userAgent.indexOf("Windows") >= 0) ){
ua = 1;
}
else {
ua = 2;
}

ua = 0;
if(navigator.userAgent.indexOf("Opera") >= 0){
ua = 2;
}
else if( (navigator.userAgent.indexOf("MSIE 6.") >= 0)
&&(navigator.userAgent.indexOf("Windows") >= 0) ){
ua = 1;
}
else if( (navigator.userAgent.indexOf("MSIE 5.") >= 0)
&&(navigator.userAgent.indexOf("Windows") >= 0) ){
ua = 1;
}
else if( (navigator.userAgent.indexOf("Windows") >= 0) ){
ua = 1;
}
else {
ua = 2;
}

function backToTop() {
var x1 = x2 = x3 = 0;
var y1 = y2 = y3 = 0;
if (document.documentElement) {
x1 = document.documentElement.scrollLeft || 0;
y1 = document.documentElement.scrollTop || 0;
}
if (document.body) {
x2 = document.body.scrollLeft || 0;
y2 = document.body.scrollTop || 0;
}
x3 = window.scrollX || 0;
y3 = window.scrollY || 0;
var x = Math.max(x1, Math.max(x2, x3));
var y = Math.max(y1, Math.max(y2, y3));
window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
if (x > 0 || y > 0) {
window.setTimeout("backToTop()", 25);
}
}

function rate(){
       window.open("rate.html","rate","menubara=no,scrollbars=no,resizable=no,width=400,height=400");}