function st2new(n)
{
	for(i=1;i<=8;i++)
	{
		tabnm=document.getElementById('headTab'+ i);
		toptbnm=document.getElementById('top_tb'+ i);
		if (n==i)
		{ 
		  showDiv('dd'+n);
		  show_Rollover('td'+n);	
		}
		else
		{
		  hideDiv('dd'+i);
		  hide_Rollover('td'+i);
		}
	}
}
function showDiv(divnm)
{       
    	document.getElementById(divnm).style["display"]="block" ;
		document.getElementById(divnm).style["visibility"]="visible" ;
}

function hideDiv(divnm)
{   
		document.getElementById(divnm).style["display"]="none" ;
		document.getElementById(divnm).style["visibility"]="hidden" ;
		document.getElementById(divnm).style["opacity"]="50%" ;

}

function show_Rollover(divnm)
{       
    	document.getElementById(divnm).className="menurow_over" ;
}

function hide_Rollover(divnm)
{   
    	document.getElementById(divnm).className="menurow" ;
}