function openWindow(url,title,w,h,scroll){
	var settings = 'width='+w+',height='+h+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=yes,toolbar=no,resizable=yes';
	window.open(url,title,settings);
}

function openWindowPlaced(url,title,w,h,l,t,scroll){
	var settings = 'width='+w+',height='+h+',screenX='+l+',screenY='+t+',left='+l+',top='+t+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=yes,toolbar=no,resizable=yes';
	window.open(url,title, settings)
}

function openWindowCentered(url,title,w,h,scroll){
	var l = (screen.width-w)/2;
	var t = (screen.height-h)/2;
	var settings = 'width='+w+',height='+h+',screenX='+l+',screenY='+t+',left='+l+',top='+t+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=yes,toolbar=no,resizable=yes';
	window.open(url,title, settings)
}