这些源代码介绍JavaScript实现一些有趣的特效

				
				
				    标题页
				
				#iewrap{
				position:relative;
				height:30px
				}
				#iewrap2{
				position:absolute;
				}
				#dropmenu03{
				filter:revealTrans(Duration=1.5,Transition=12);
				visibility:hide;
				}
				a:hover {  color: #FF0000}
				body {  font-family: "宋体"; font-size: 9pt; text-decoration: none}
				a { font-family: "宋体"; font-size: 9pt; text-decoration: none}
				
				
				
				
				
				
				
				单击此处出现菜单
				
				
				
				
				
				//关闭 "fade"（消隐）效果，将如下参数设置成false。
				var enableeffect=true;
				//菜单项
				var selection=new Array();
				selection[0]='第一个菜单';
				selection[1]='第二个菜单';
				selection[2]='第三个菜单';
				selection[3]='第四个菜单';
				selection[4]='第五个菜单';
				if (document.layers)
				document.dropmenu01.document.dropmenu02.visibility='show';
				function dropit2()
				{
				if (document.all){
				dropmenu03.style.left=document.body.scrollLeft+event.clientX-event.offsetX;
				dropmenu03.style.top=document.body.scrollTop+event.clientY-event.offsetY+18;
				if (dropmenu03.style.visibility=="hidden"){
				if (enableeffect)
				dropmenu03.filters.revealTrans.apply();  //配置特殊效果
				dropmenu03.style.visibility="visible";
				if (enableeffect)
				dropmenu03.filters.revealTrans.play();//演示特殊效果
				}
				else{
				hidemenu();                           //隐藏菜单
				}}}
				function dropit(e)
				{
				if (document.dropmenu03.visibility=="hide")
				document.dropmenu03.visibility="show";
				else
				document.dropmenu03.visibility="hide";
				document.dropmenu03.left=e.pageX-e.layerX;
				document.dropmenu03.top=e.pageY-e.layerY+19;
				return false;
				}
				//隐藏菜单的方法
				function hidemenu()
				{
				if (enableeffect)
				dropmenu03.filters.revealTrans.stop();  //停止特效
				dropmenu03.style.visibility="hidden";   
				}
				function hidemenu2()
				{document.dropmenu03.visibility="hide";}
				if (document.layers){
				document.dropmenu01.document.dropmenu02.captureEvents(Event.CLICK);
				document.dropmenu01.document.dropmenu02.onclick=dropit;}
				else if (document.all)
				document.body.onclick=hidemenu;
				
				
				
				if (document.all)
				dropmenu03.style.padding='4px'
				for (i=0;i				document.write(selection[i])
				
				
				
				if (document.layers){
				document.dropmenu03.captureEvents(Event.CLICK);
				document.dropmenu03.onclick=hidemenu2;
				}