function tab(val, name, num)
{
	var b = name;
	var a = val;
	for (var i=1;i<=num;i++)
	{
		if(i==a)
		{
			document.getElementById(b+'_'+i).style.display="block";
			document.getElementById(b+'_ImgL_'+i).style.backgroundImage="url('App_themes/Basic/s1.gif')";
			document.getElementById(b+'_ImgR_'+i).style.backgroundImage="url('App_themes/Basic/s3.gif')";
			document.getElementById(b+'_ImgH_'+i).style.backgroundImage="url('App_themes/Basic/s2.gif')";
			document.getElementById(b+'_ImgH_'+i).className="tabOn";
		}
		else
		{
			document.getElementById(b+'_'+i).style.display="none";
			document.getElementById(b+'_ImgL_'+i).style.backgroundImage="url('App_themes/Basic/s1a.gif')";
			document.getElementById(b+'_ImgR_'+i).style.backgroundImage="url('App_themes/Basic/s3a.gif')";
			document.getElementById(b+'_ImgH_'+i).style.backgroundImage="url('App_themes/Basic/s2a.gif')";
			document.getElementById(b+'_ImgH_'+i).className="tabOff";
		}
	}
}