function secBoard(n)
  {
    for(i=0;i<secTable.cells.length;i++)
	{
      secTable.cells
	  	  
		if(i==n)
		{
			secTable.cells[n].className="sec"+n+"2";
		}else{
			secTable.cells[i].className="sec"+i+"1";
		}
	}

    for(i=0;i<mainTable.tBodies.length;i++)
      mainTable.tBodies

[i].style.display="none";
    mainTable.tBodies

[n].style.display="block";
  }

function killErrors() {
return true;
}
window.onerror = killErrors;


function   myMenu(obj,menu)   
{
	//设置所有一级菜单的样式; 
    for(i=0;i<topmenuTable.cells.length;i++)
	{
		topmenuTable.cells
		if(i==menu)
		{
			topmenuTable.cells[menu].className="topmenu"+menu+"2";
			document.all("menu0"+menu).style.visibility   =   "visible";//将当前菜单所在图层设置为可见；  
		}else{
			topmenuTable.cells[i].className="topmenu"+i+"1";
			document.all("menu0"+i).style.visibility   =   "hidden";//将所有二级菜单所在的图层隐藏；
		}
	}
}   
function   myout(obj,menu)   
{ 
	document.all("menu0"+menu).style.visibility   =   "hidden";//将当前菜单所在的图层隐藏；
	//设置所有一级菜单的样式; 
    for(i=0;i<topmenuTable.cells.length;i++)
	{
		topmenuTable.cells
		topmenuTable.cells[i].className="topmenu"+i+"1";
	}
}