This is accomplished by using built-in data binding. Dynamic HTML data awareness is implemented using an open architecture. Within each data-aware page is a data source control. Dynamic HTML intrinsically understands how to bind HTML elements to fields in the data source control. ActiveX Control and Java Applet developers can implement additional data source controls to communicate with other data sources.
Layers can be opaque or transparent.
One layer can be placed above or below another layer. It also can be moved around by help of JavaScript and Style Sheets. There is no doubt that Netscape is fully using its JavaScript at this time. You can send the font with the document, and visitors of your pages will see those fonts on your pages even they don't have those fonts installed in their machine. Visit Netscape site to learn how to incorporate dynamic fonts into your document.