var imgObj;

function setTab(m,n){
 var tli=document.getElementById("tab_menu"+m).getElementsByTagName("li");
 var mli=document.getElementById("tab_body"+m).getElementsByTagName("ul");
 for(i=0;i<tli.length;i++){
  tli[i].className=i==n?"hover":"";
  //mli[i].style.display=i==n?"block":"none";
	  if(i==n)
	  {
	  	mli[i].style.display="block";
		imgObj=mli[i].getElementsByTagName("table")[0];
			if(document.all)
			{
				imgObj.filters.alpha.opacity=0;
				showMe();
			}
	  }
	  else
	  {
	  	mli[i].style.display="none";
	  }
 }
}

function showMe()
{
	imgObj.filters.alpha.opacity+=20;
	
	if(imgObj.filters.alpha.opacity<100)
	{
		window.setTimeout("showMe()",10);
	}
	
}