function openCenteredPopup(url,w,h, winName, resizable){
	t = (screen.height - h) / 2;
	l = (screen.width - w) / 2;
	if(resizable){
		resizable = ', resizable';
	} else {
		var resizable = '';
	}
	
	if(winName){
		wind = window.open(url,winName,"width="+w+",height="+h+",top="+t+",left="+l+",scrollbars=yes,status=yes" + resizable);
		return;			
	}
	wind = window.open(url,"","width="+w+",height="+h+",top="+t+",left="+l+",scrollbars=yes,status=yes" + resizable);
}

function openHelp() {
	var url = 'craftysyntax/livehelp.php'
	
	openCenteredPopup(url,600,400, 'help', true);
}