<script language="JavaScript"> <!-- var layerTop=20; //菜单顶边距 var layerLeft=30; //菜单左边距 var layerWidth=140; //菜单总宽 var titleHeight=20; //标题栏高度 var contentHeight=200; //内容区高度 var stepNo=10; //移动步数,数值越大移动越慢
var itemNo=0;runtimes=0; document.write('<span id=itemsLayer style="position:absolute;overflow:hidden;border:1px solid #008800;left:'+layerLeft+';top:'+layerTop+';width:'+layerWidth+';">');
function moveUp(){ for(i=onItemIndex+1;i<=toItemIndex;i++) eval('document.all.item'+i+'.style.top=parseInt(document.all.item'+i+'.style.top)-contentHeight/stepNo;'); }
function moveDown(){ for(i=onItemIndex;i>toItemIndex;i--) eval('document.all.item'+i+'.style.top=parseInt(document.all.item'+i+'.style.top)+contentHeight/stepNo;'); } changeItem(0); //--> </script> </body> </html>