document.write("<style>#menu_master{LEFT:-130px;POSITION:absolute;}#menu{LEFT:128px;POSITION:absolute; TOP:36px; Z-INDEX:5}#screen{POSITION:absolute; TOP:31px; Z-INDEX:5}#screenlinks{POSITION:absolute; TOP:30px; VISIBILITY:visible; Z-INDEX:5}</style>")
document.write('<style>#screen{filter:Alpha(Opacity=60)</style>')

var menu_master = new Object("element")
menu_master.curLeft = -130;
menu_master.curTop = 10;

function moveAlong(layerName, paceLeft, paceTop, fromLeft, fromTop){
clearTimeout(eval(layerName).timer)
if(eval(layerName).curLeft != fromLeft){
     if((Math.max(eval(layerName).curLeft, fromLeft) - Math.min(eval(layerName).curLeft, fromLeft)) < paceLeft){eval(layerName).curLeft = fromLeft}
else if(eval(layerName).curLeft < fromLeft){eval(layerName).curLeft = eval(layerName).curLeft + paceLeft}
else if(eval(layerName).curLeft > fromLeft){eval(layerName).curLeft = eval(layerName).curLeft - paceLeft}
document.all[layerName].style.left = eval(layerName).curLeft
}
if(eval(layerName).curTop != fromTop){
     if((Math.max(eval(layerName).curTop, fromTop) - Math.min(eval(layerName).curTop, fromTop)) < paceTop){eval(layerName).curTop = fromTop}
else if(eval(layerName).curTop < fromTop){eval(layerName).curTop = eval(layerName).curTop + paceTop}
else if(eval(layerName).curTop > fromTop){eval(layerName).curTop = eval(layerName).curTop - paceTop}
document.all[layerName].style.top = eval(layerName).curTop
}
eval(layerName).timer=setTimeout('moveAlong("'+layerName+'",'+paceLeft+','+paceTop+','+fromLeft+','+fromTop+')',30)
}

function setPace(layerName, fromLeft, fromTop, motionSpeed){
eval(layerName).gapLeft = (Math.max(eval(layerName).curLeft, fromLeft) - Math.min(eval(layerName).curLeft, fromLeft))/motionSpeed
eval(layerName).gapTop = (Math.max(eval(layerName).curTop, fromTop) - Math.min(eval(layerName).curTop, fromTop))/motionSpeed
moveAlong(layerName, eval(layerName).gapLeft, eval(layerName).gapTop, fromLeft, fromTop)
}

var expandState = 0
function menu_expand(){
if(expandState == 0){setPace("menu_master", 0, 10, 10);
document.menutop.src = "images/menu_r.gif"; expandState = 1;}
else{
setPace("menu_master", -130, 10, 10); 
document.menutop.src = "images/menu_r.gif"; expandState = 0;}
}
document.write("<div id=menu_master><div id=menu ><table border=0 cellpadding=0 cellspacing=0><tbody><tr><td width=100%><img name=menutop src=images/menu_r.gif onmouseover='javascript:menu_expand();'></td></tr></tbody></table></div><div id=top><table border=0 cellpadding=0 cellspacing=0 width=130><tbody><tr><td width=100%></td></tr></tbody></table></div><div id=screenlinks ><table border=0 cellpadding=1 cellspacing=0 width=100 ><tbody><tr><td width=100%><table width='125' height='125' border='0' cellpadding='0' cellspacing='0'><tr><td width='125' height='8'><img src='images/menu_1.gif' width='125' height='8'></td></tr><tr><td height='142' align='center' background='images/menu_2.gif'><table width='125' border='0' cellspacing='0' cellpadding='0'>");
//begin


document.write("<tr><td height='2' colspan=2><hr noshade size=1 width=90% color=#4798ED></td></tr>");document.write("<tr><td align='left'>&nbsp;<img src=pic/fl.gif border=0>&nbsp;&nbsp;<font color=#666666><b>≡口腔专区≡</b></font></td></tr>");

document.write("<tr><td align='left'><img src=pic/minus.gif border=0><a href='topiclist.asp?bd=2'><font color=#1166ED>『学术交流』</font></a></td></tr>");

document.write("<tr><td align='left'><img src=pic/minus.gif border=0><a href='topiclist.asp?bd=3'><font color=#1166ED>『口腔保健』</font></a></td></tr>");

document.write("<tr><td align='left'><img src=pic/minus.gif border=0><a href='topiclist.asp?bd=4'><font color=#1166ED>『专家在线』</font></a></td></tr>");

//end
document.write("</table></td></tr><tr><td height='8'><img src='images/menu_3.gif' width='125' height='8'></td></tr></table></td></tr></tbody></table></div></div>");
var sidemenu = document.all.menu_master;

function yuzi(){
sidemenu.style.top = document.body.scrollTop+2
}
setInterval("yuzi()",100);