if (document.getElementById) window.onerror = onPageError;

function onPageError() {
	return true;
}
/*--------------------------------------------------------------------*/
function getID(ID){
	if(document.all) return document.all[ID]
	else return document.getElementById(ID)
}
function getTags(tagName, holder){
	return getID(holder).getElementsByTagName(tagName);
}
function addEvent(obj, evType, fn){
	if(obj.addEventListener){
		obj.addEventListener(evType, fn, false); 
		return true;
	} else if (obj.attachEvent){
		var r = obj.attachEvent('on'+evType, fn);
		return r;
	} else {
		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()", 50);
    }
}
/*--------------------------------------------------------------------*/
//function loaded(){
//}
/*--------------------------------------------------------------------*/
//addEvent(window, "load", loaded);
/*--------------------------------------------------------------------*/