Setting Layer Backgrounds (W3C) : Layer « HTML « JavaScript DHTML

Setting Layer Backgrounds (W3C)

JavaScript Bible, Fourth Edition
by Danny Goodman 

John Wiley & Sons CopyRight 2001

function setBg(URL) {
    document.getElementById("bgExpo").style.backgroundImage = "url(" + URL + ")"
<H1>Layer Backgrounds (W3C)</H1>
<DIV ID="buttons" STYLE="position:absolute; top:100">
<INPUT TYPE="button" VALUE="The Usual" onClick="setBg('')"><BR>
<INPUT TYPE="button" VALUE="A Big One" onClick="setBg('')"><BR>
<INPUT TYPE="button" VALUE="Not So Usual" onClick="setBg('wh86.gif')"><BR>
<INPUT TYPE="button" VALUE="Decidedly Unusual" onClick="setBg('sb23.gif')"><BR>
<INPUT TYPE="button" VALUE="Quick as..." onClick="setBg('lightnin.gif')"><P>
<INPUT TYPE="button" VALUE="Remove Image" onClick="setBg(null)"><BR>
<DIV ID="bgExpo" STYLE="position:absolute; top:100; left:250; width:300; height:260; background-color:gray" >
<SPAN STYLE="font-weight:bold; color:white">Some text, which may or may not read
 well with the various backgrounds.</SPAN>


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7.'layer' and 'ilayer' Tag Properties
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9. Adjusting Layer clip Properties (W3C)
10.Comparison of Layer and Clip Location Properties (W3C)
11. Testing Nested Layer Coordinate Systems (W3C)
12.Nested Layer Visibility Relationships (W3C)
13.Relationships Among zIndex Values (W3C)
14.Dragging a Layer (W3C)
15.Resizing a Layer (W3C)
16.Methods and Properties of the Layer Object
17.Layer seek