function screenSize() {
	var w, h;
	w = (window.innerWidth ? window.innerWidth : (document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body.offsetWidth));
	h = (window.innerHeight ? window.innerHeight : (document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.offsetHeight));
	return {w:w, h:h};
}

function absPosition(obj) {
	this.x = 0;
	this.y = 0;
    while(obj) {
		this.x += obj.offsetLeft;
		this.y += obj.offsetTop;
		obj = obj.offsetParent;
	}
	return {x:this.x,y:this.y};
}

function cancelBubbling(evt) {
      evt = evt || window.event;
      evt.cancelBubble = true;
}

function defScroll() {
	var x = y = 0;
	x = (window.scrollX) ? window.scrollX : (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);
	y = (window.scrollY) ? window.scrollY : (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);
	return {x:x, y:y};
}

function pop_up_w1() {
    if (document.getElementById("infoDivId")) document.getElementById("infoDivId").style.display = "none";
}

addHandler(document, 'click', pop_up_w1);

function addHandler(object, event, handler, useCapture) {
      if (object.addEventListener) {
            object.addEventListener(event, handler, useCapture ? useCapture : false);
      } else if (object.attachEvent) {
            object.attachEvent('on' + event, handler);
      } else alert("Add handler is not supported");
}