function getdocobj(elem,parent)
	{
	if (document.layers)
		{
		if (parent)
			{
			return "document."+parent+".document."+elem;
			}
		else
			{
			return "document."+elem;
			}
		}
	else if (document.all)
		{
		return "document.all."+elem;
		}
	else if (document.getElementById)
		{
		return "document.getElementById('"+elem+"');";
		}
	}

function showfieldset(elem,state)
{
	element = eval(getdocobj(elem));				
	if (document.all || showfieldset)
		{					
			if (element!=null)
			{
				element.style.display = state;	
			
			}
		}
}

function hideOne() {
   showfieldset('Button1','none');
   showfieldset('Button2','block');
   showfieldset('Button3','block');
   showfieldset('Button4','block');
   showfieldset('Button1_Selected','block');
   showfieldset('Button2_Selected','none');
   showfieldset('Button3_Selected','none');
   showfieldset('Button4_Selected','none');   
   showfieldset('Text1','block');
   showfieldset('Text2','none');
   showfieldset('Text3','none');
   showfieldset('Text4','none');
 }
 
function hideTwo() {

   showfieldset('Button1','block');
   showfieldset('Button2','none');
   showfieldset('Button3','block');
   showfieldset('Button4','block');
   showfieldset('Button1_Selected','none');
   showfieldset('Button2_Selected','block');
   showfieldset('Button3_Selected','none');
   showfieldset('Button4_Selected','none');
   showfieldset('Text1','none');
   showfieldset('Text2','block');
   showfieldset('Text3','none');
   showfieldset('Text4','none');
 }
 
function hideThree() {
   showfieldset('Button1','block');
   showfieldset('Button2','block');
   showfieldset('Button3','none');
   showfieldset('Button4','block');
   showfieldset('Button1_Selected','none');
   showfieldset('Button2_Selected','none');
   showfieldset('Button3_Selected','block');
   showfieldset('Button4_Selected','none');
   showfieldset('Text1','none');
   showfieldset('Text2','none');
   showfieldset('Text3','block');
   //showfieldset('Text3').style.visibility='visible';
   showfieldset('Text4','none'); 
     
 }
 
function hideFour() {
   showfieldset('Button1','block');
   showfieldset('Button2','block');
   showfieldset('Button3','block');
   showfieldset('Button4','none');
   showfieldset('Button1_Selected','none');
   showfieldset('Button2_Selected','none');
   showfieldset('Button3_Selected','none');
   showfieldset('Button4_Selected','block');
   showfieldset('Text1','none');
   showfieldset('Text2','none');
   showfieldset('Text3','none');
   showfieldset('Text4','block');
 }