<SCRIPT language=JavaScript>
var isNav, isIE
var offsetX, offsetY
var selectedObj
var dragimg_width=132
var dragimg_height=100
var dragimg_startx=270
var dragimg_starty=185
var clipLeft=dragimg_startx
var clipTop=dragimg_starty
var clipRight=clipLeft+dragimg_width
var clipBottom=clipTop+dragimg_height
if (parseInt(navigator.appVersion) >= 4) {
if (navigator.appName == "Netscape") {
isNav = true
} else {
isIE = true
}
}
function setZIndex(obj, zOrder) {
obj.zIndex = zOrder
}
function shiftTo(obj, x, y) {
if (isNav) {
obj.moveTo(x,y)
document.bgimage.clip.top=y
document.bgimage.clip.left=x
document.bgimage.clip.bottom=y+dragimg_height
document.bgimage.clip.right=x+dragimg_width
}
else {
clipTop=y
clipLeft=x
clipBottom=y+dragimg_height
clipRight=x+dragimg_width
document.all.bgimage.style.clip="rect("+clipTop+" "+clipRight+" "+clipBottom+" "+clipLeft+")"
obj.pixelLeft = x
obj.pixelTop = y
}
}
function setSelectedElem(evt) {
if (isNav) {
var testObj
var clickX = evt.pageX
var clickY = evt.pageY
for (var i = document.layers.length - 1; i >= 0; i--) {
testObj = document.layers[i]
if ((clickX > testObj.left) &&
(clickX < testObj.left + testObj.clip.width) &&
(clickY > testObj.top) &&
(clickY < testObj.top + testObj.clip.height) && (testObj.name=="picture1")) {
selectedObj = testObj
setZIndex(selectedObj, 100)
return
}
}
} else {
var imgObj = window.event.srcElement
if (imgObj.parentElement.id.indexOf("picture") != -1) {
selectedObj = imgObj.parentElement.style
setZIndex(selectedObj,100)
return
}
}
selectedObj = null
return
}
function dragIt(evt) {
if (selectedObj) {
if (isNav) {
shiftTo(selectedObj, (evt.pageX - offsetX), (evt.pageY - offsetY))
} else {
shiftTo(selectedObj, (window.event.clientX - offsetX), (window.event.clientY - offsetY))
return false
}
}
}
function engage(evt) {
setSelectedElem(evt)
if (selectedObj) {
if (isNav) {
offsetX = evt.pageX - selectedObj.left
offsetY = evt.pageY - selectedObj.top
} else {
offsetX = window.event.offsetX
offsetY = window.event.offsetY
}
}
return false
}
function release(evt) {
if (selectedObj) {
setZIndex(selectedObj, 0)
selectedObj = null
}
}
function setNavEventCapture() {
if (isNav) {
document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE | Event.MOUSEUP)
}
}
function init() {
if (isNav) {
setNavEventCapture()
}
document.onmousedown = engage
document.onmousemove = dragIt
document.onmouseup = release
if (document.all) {
clipTop=dragimg_starty
clipLeft=dragimg_startx
clipBottom=clipTop+dragimg_height
clipRight=clipLeft+dragimg_width
document.all.picture1.style.posLeft=dragimg_startx
document.all.picture1.style.posTop=dragimg_starty
document.all.bgimage.style.posLeft=0
document.all.bgimage.style.posTop=0
document.all.bgimage.style.clip="rect("+clipTop+" "+clipRight+" "+clipBottom+" "+clipLeft+")"
}
if (document.layers) {
document.bgimage.clip.left=dragimg_startx
document.bgimage.clip.right=clipLeft+dragimg_width
document.bgimage.clip.top=dragimg_starty
document.bgimage.clip.bottom=clipTop+dragimg_height
document.picture1.left=dragimg_startx
document.picture1.top=dragimg_starty
document.bgimage.left=0
document.bgimage.top=0
}
}
// - End of JavaScript - -->
</SCRIPT>
<STYLE type=text/css>.bgpic {
LEFT: 0px; POSITION: absolute; TOP: 0px; VISIBILITY: visible
}
A {
COLOR: #000000
}
A:visited {
COLOR: #000000
}
A:active {
COLOR: #000000
}
A:hover {
COLOR: #ff0000
}
</STYLE>
</HEAD>
<BODY onload=init()>
<!--下面就是图片的调用了，可以自己更换。14_541.jpg是模糊的那张，14_542.jpg是清晰的那张，tv就是那个框。其实还可以做一些更COOL的效果，自己发挥想象吧。-->
<DIV class=bgpic id=Background style="width: 481px; height: 356px"><img src="pic/14_541.jpg" width="500" height="356">
</DIV>
<DIV id=bgimage style="LEFT: 0px; POSITION: absolute; TOP: -3000px"><IMG
name=bgimagpic src="pic/14_542.jpg"></DIV>
<DIV id=picture1 style="LEFT: 0px; POSITION: absolute; TOP: -3000px"><IMG
name=picturePic1 src="pic/tv.gif"></DIV>
<CENTER></CENTER></BODY>
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