点击按钮展示图片或者关闭显示图片

2011-03-31 图片特效 ℃

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>5454</title> 
<SCRIPT> 
var intTimeStep=20; 
var isIe=(window.ActiveXObject)?true:false; 
var intAlphaStep=(isIe)?5:0.05; 
var curSObj=null; 
var myobj=null;
var mypacity=null;
var curOpacity=null; 
function startObjVisible(objId) 
{ 
curSObj=document.getElementById(objId); 
setObjState(); 
} 
function setObjState(evTarget) 
{ 
if (curSObj.style.display==""){curOpacity=1;mypacity=0;setObjClose();} 
else{ 
if(isIe) 
{ 
curSObj.style.cssText='DISPLAY: none;Z-INDEX: 1; FILTER: alpha(opacity=0); POSITION: absolute;'; 
curSObj.filters.alpha.opacity=0; 
}else 
{ 
curSObj.style.opacity=0 ;
myobj.style.opacity=1;
} 
curSObj.style.display=''; 
document.getElementById("MyDiv").style.display="none";
curOpacity=0; 
mypacity=1;
setObjOpen(); 
} 
} 
function setObjOpen() 
{ 
if(isIe) 
{ 
curSObj.filters.alpha.opacity+=intAlphaStep; 
if (curSObj.filters.alpha.opacity<100) setTimeout('setObjOpen()',intTimeStep); 
}else{ 
curOpacity+=intAlphaStep; 
curSObj.style.opacity =curOpacity; 
if (curOpacity<1) setTimeout('setObjOpen()',intTimeStep); 
} 
} 
function setObjClose() 
{ 
if(isIe) 
{ 
curSObj.filters.alpha.opacity-=intAlphaStep; 
if (curSObj.filters.alpha.opacity>0) { 
setTimeout('setObjClose()',intTimeStep);} 
else {curSObj.style.display="none";document.getElementById("MyDiv").style.display="block";} 
}else{ 
curOpacity-=intAlphaStep; 
if (curOpacity>0) { 
curSObj.style.opacity =curOpacity; 
setTimeout('setObjClose()',intTimeStep);} 
else {curSObj.style.display='none';document.getElementById("MyDiv").style.display="block";} 
} 
} 
</SCRIPT> 
</head> 
<body> 
<table width=80%><tr><td>效果一：手动控制展现或消失<br><input type=button onClick="startObjVisible('objDiv');if(this.value=='点击展现'){this.value='点击隐藏'}else{this.value='点击展现'}" value="点击展现"></td> 
</tr> 
<tr><td><DIV id="objDiv" style="DISPLAY: none;"> 
<img src="/images/tx/meinv.jpg">测试效果<img src="/images/tx/meinv.jpg"></DIV>
<DIV id="MyDiv" style="DISPLAY:block;"><img src="/images/tx/meinv.jpg">ddddddd<img src="/images/tx/meinv.jpg"></DIV>
</td></tr> 
</table> 
</body></font>

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