function change(tname,ct,co)
{
	
	for (i=1;i<=co;i++)
	{
		if(i==ct)
		{
			document.getElementById(tname+i).className ="tabon";
			document.getElementById("s"+tname+i).style.display="block";
		}else
		{
			document.getElementById(tname+i).className ="taboff";
			document.getElementById("s"+tname+i).style.display="none";
		}
	}
}
function change1(tname,ct,co)
{
	
	for (i=1;i<=co;i++)
	{
		if(i==ct)
		{
			document.getElementById(tname+i).className ="tabon1";
			document.getElementById("s"+tname+i).style.display="block";
		}else
		{
			document.getElementById(tname+i).className ="taboff1";
			document.getElementById("s"+tname+i).style.display="none";
		}
	}
}
function change2(tname,ct,co)
{
	
	for (i=1;i<=co;i++)
	{
		if(i==ct)
		{
			document.getElementById(tname+i).className ="tabon2";
			document.getElementById("s"+tname+i).style.display="block";
		}else
		{
			document.getElementById(tname+i).className ="taboff2";
			document.getElementById("s"+tname+i).style.display="none";
		}
	}
}
function change3(tname,ct,co)
{
	
	for (i=1;i<=co;i++)
	{
		if(i==ct)
		{
			document.getElementById(tname+i).className ="tabon3";
			document.getElementById("s"+tname+i).style.display="block";
		}else
		{
			document.getElementById(tname+i).className ="taboff3";
			document.getElementById("s"+tname+i).style.display="none";
		}
	}
}