function NewWindow(mypage,myname,w,h,scroll){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable';
	win = window.open(mypage,myname,settings);
}
function openWindow(pag,w,h,sc,resiz){
	l = (screen.width) ? (screen.width-w)/2 : 0;
	t = (screen.height) ? (screen.height-h)/2 : 0;
	hwnd = window.open(pag,'list','scrollbars='+sc+',resizable='+resiz+',width='+w+',height='+h+',top='+t+',left='+l+',status=true')
}