js图片效果

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1 .图片随意拖动效果

<body onload="fin()">
<SCRIPT language=JavaScript>
<!--
drag = 0
move = 0

function fin() {
    window.document.onmousemove = mouseMove
    window.document.onmousedown = mouseDown
    window.document.onmouseup = mouseUp
    window.document.ondragstart = mouseStop
}

function mouseDown() {
    if (drag) {
        clickleft = window.event.x - parseInt(blodrag.style.left)        // 获取鼠标在X轴的坐标
        clicktop = window.event.y - parseInt(blodrag.style.top)          // 获取鼠标在Y轴的坐标
        blodrag.style.zIndex += 1
        move = 1
    }
}

function mouseStop() {
    window.event.returnValue = false
}

function mouseMove() {
    if (move) {
        blodrag.style.left = window.event.x - clickleft                 // 获取鼠标在X轴的坐标
        blodrag.style.top = window.event.y - clicktop                   // 获取鼠标在Y轴的坐标
    }
}

function mouseUp() {
    move = 0
}
//-->
</SCRIPT>
<DIV id=blodrag onmouseout=drag=0 onmouseover=drag=1
style="HEIGHT: 90px; LEFT: 10px; POSITION: absolute; TOP: 10px; WIDTH: 90px"><IMG border=3 src="buddies.jpg" >
</body>

2.图片渐出效果

<SCRIPT LANGUAGE=javascript>
<!--
function picload(){
 obj.filters.revealTrans.apply()
 obj.filters.revealTrans.Transition=23
 obj.style.visibility="inherit"
 obj.filters.revealTrans.play()
 }
//--> 
</SCRIPT>

<body onload="picload();">
<img src="beijing.gif" id="obj" style="visibility:hidden; FILTER: revealTrans(Duration=1,Transition=23);">
</body>

 

3下拉菜单图片选择

 


<FORM name="form">
<SELECT NAME="selImage" size=1 onchange="img.src=this.value +'.gif';">
<OPTION value=1>头像1
<OPTION value=2>头像2
<OPTION value=3>头像3
<OPTION value=4>头像4
<OPTION value=5>头像5
<OPTION value=6>头像6
<OPTION value=7>头像7
<OPTION value=8>头像8
</SELECT>&nbsp;<IMG SRC="1.gif" NAME="img">
</FORM>