function menuFix() {
 var sfEls = document.getElementById("navtop").getElementsByTagName("li");
 for (var i=0; i<sfEls.length; i++) {
  sfEls[i].onmouseover=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  sfEls[i].onMouseDown=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  sfEls[i].onMouseUp=function() {
  this.className+=(this.className.length>0? " ": "") + "sfhover";
  }
  sfEls[i].onmouseout=function() {
  this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), 
"");
  }
 }
}
window.onload=menuFix;

function secBoard(n) 
  {
    for(i=0;i<secTable.cells.length;i++)
      secTable.cells[i].className="sec11";
    secTable.cells[n].className="sec21";
    for(i=0;i<mainTable.tBodies.length;i++)
      mainTable.tBodies[i].style.display="none";
    mainTable.tBodies[n].style.display="block";
  }

var temp=0;function autoBodyHeight(){if (document.documentElement.offsetHeight > 280)login_bg.style.marginTop = (document.documentElement.offsetHeight - 280) / 3;setTimeout('autoBodyHeight()',100);}
function menuShow(obj,item_size,line_height,obj2){myObj=obj;myItem_size=item_size;myLine_height=line_height;myObj2=obj2;if(obj.style.pixelHeight<item_size*line_height){obj.style.pixelHeight+=3;temp=obj.style.pixelHeight;}else{obj2.background="../images/title_bg_hide.gif";return;}obj.style.display="block";setTimeout('menuShow(myObj,myItem_size,myLine_height,myObj2)','1');}
function menuHide(obj,item_size,line_height,obj2){temp=0;obj.style.pixelHeight=0;obj.style.display="none";obj2.background="../images/title_bg_show.gif";}
function menuChange(obj,item_size,line_height,obj2){myObj=obj;myItem_size=item_size;myLine_height=line_height;myObj2=obj2;if(obj.style.display=="block"){menuHide(myObj,myItem_size,myLine_height,myObj2);}else{menuShow(myObj,myItem_size,myLine_height,myObj2);}}