JavaScript Examples Bible - UserWorks Technologies

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JavaScript Examples Bible: The Essential Companion to JavaScript Bible
document.layerObject.src
Listing 31-7: Setting Nested Layer Source Content
Layer Source
function loadOuter(doc) {
document.outerDisplay.src = doc
}
function loadInner(doc) {
var nested = document.outerDisplay.document.layers
if (nested.length > 0) {
// inner layer exists, so load content or restore
if (doc) {
nested[0].src = doc
} else {
restoreInner(nested[0])
}
} else {
// prompt user about restoring inner layer
if (confirm(“The inner layer has been removed by loading an “ +
“outer document. Restore the original layers?”)) {
restoreLayers(doc)
}
}
}
function restoreLayers(doc) {
// reset appearance of outer layer
document.outerDisplay.bgColor = “coral”
document.outerDisplay.resizeTo(370,190) // sets clip
document.outerDisplay.document.write(“”)
document.outerDisplay.document.close()
// generate new inner layer
var newInner = new Layer(360, document.layers[“outerDisplay”])
newInner.bgColor = “aquamarine”
newInner.moveTo(5,5)
if (doc) {
// user clicked an inner content button
newInner.src = doc
} else {
// return to pristine look
restoreInner(newInner)
}
newInner.visibility = “show”
}
function restoreInner(inner) {
inner.document.write(“Placeholder text for raw inner “ +
“layer.”)
inner.document.close()
inner.resizeTo(360,180) // sets clip
}