function newwindow(url, h, w) {
	var t = browserTop();
	var l = browserLeft();
	
	var wtop = t != -1 ? t + 20 : 20;
	var wleft = l != -1 ? l + 20 : 20;
	
	win = open(url, 'newwindow', 'width='+w+',height='+h+',top='+wtop+',left='+wleft+',modal=yes,dependent=yes,scrollbars=yes,resizable=yes');
	win.focus();
}

function browserTop() {
	if(window.screenTop) return window.screenTop;
	else if(window.screenY) return window.screenY + 110;
	else return -1;
}

function browserLeft() {
	if(window.screenLeft) return window.screenLeft;
	else if(window.screenX) return window.screenX;
	else return -1;
}