// JavaScript Document
function setTab(name,cursel,n){
	for(i=1;i<=n;i++){
	var menu=document.getElementById(name+i); 
	var con=document.getElementById("con_"+name+"_"+i); 
	menu.className=i==cursel?"hover":""; 
	con.style.display=i==cursel?"block":"none"; 
	}
}

var scrollToTop = function(){ $('a[@href=#top]').click(function(){ backToTop(); return false;} ) };
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()", 30);
    }
}