function showTab(group,t)
{
	if(group == 1 || group == 2 || group == 3 || group == 4)
	{
			default_link_class		=	"tab_link_style";
			default_tab_class		=	"tab_style";
			selected_link_class		=	"tab_link_style1";
			selected_tab_class		=	"tab_style1";
	}

	switch(group)
	{
		case 1:
			totalTabs	=	4;
			break;
		case 2:
			totalTabs	=	4;
			break;
		case 3:
			totalTabs	=	5;
			break;
		case 4:
			totalTabs	=	4;
			break;
	}

	  for(i=1;i<=totalTabs;i++)
	  {
			ts	=	document.getElementById('tt'+i+"_"+group);
			tr	=	document.getElementById('dd'+i+"_"+group);
			//ta	=	document.getElementById(group+'aa'+i);

			if(t==i)
			{
				ts.className			=	selected_tab_class;
				//ta.className			=	selected_link_class;
				tr.style["display"]		=	"block";

				if(navigator.userAgent.indexOf("MSIE") != -1 && (!(group==3 || group==4)))
				{
					tr.style.filter			=	"revealTrans(duration=1, transition=6)";
					tr.filters[0].Apply();
					tr.style["visibility"]	=	"visible";
					tr.filters[0].Play();
				}
				else
				{
					tr.style["visibility"]	=	"visible";
				}

			}
			else
			{
				try{
				ts.className			=	default_tab_class;
				//ta.className			=	default_link_class;
				tr.style["display"]		=	"none";
				tr.style["visibility"]	=	"hidden";
				}catch(err)
				{
									//nothing
				}
			}
	  }
}