function openAvis() 
{
	URL = 'avis.asp';
	OpenWindow(URL, 500, 400);
}

function OpenWindow(url, w, h)
{
	var l = parseInt((screen.width - w)/2);
	var t = parseInt((screen.height - h)/2);
	var n = parseInt(Math.random() * 1000);
	var nw = window.open(url, "NewWindow" + n, "width=" + w + "px,height=" + h + "px,left=" + l + "px,top=" + t + "px");
}

function OpenWindowWithScroll(url, w, h)
{
	var l = parseInt((screen.width - w)/2);
	var t = parseInt((screen.height - h)/2);
	var n = parseInt(Math.random() * 1000);
	var nw = window.open(url, "NewWindow" + n, "width=" + w + "px,height=" + h + "px,left=" + l + "px,top=" + t + "px,scrollbars=1");
}

function posX(obj) {
	var curleft = 0;
	if (obj.offsetParent) {
		while(1) {
			curleft += obj.offsetLeft;
			if (!obj.offsetParent) break;
			obj = obj.offsetParent;
		}
	} else if (obj.x) {
		curleft += obj.x;
	}
	
	return curleft;
}
	
function posY(obj) {
	var curtop = 0;
	if (obj.offsetParent) {
		while(1) {
			curtop += obj.offsetTop;
			if (!obj.offsetParent) break;
			obj = obj.offsetParent;
		}
	} else if (obj.y) {
		curtop += obj.y;
	}
	
	return curtop;	
}