var toggledDisplay = new Object();
toggledDisplay['sub1'] = true;
toggledDisplay['sub2'] = true;
toggledDisplay['sub3'] = true;
toggledDisplay['sub4'] = true;
toggledDisplay['sub5'] = true;
toggledDisplay['sub6'] = true;
toggledDisplay['sub7'] = true;
toggledDisplay['sub8'] = true;
toggledDisplay['sub9'] = true;
toggledDisplay['sub10'] = true;
toggledDisplay['sub11'] = true;
toggledDisplay['sub12'] = true;
toggledDisplay['sub13'] = true;
toggledDisplay['sub14'] = true;
toggledDisplay['sub15'] = true;
toggledDisplay['sub16'] = true;

function toggleDisplay(bDisplayed)
{
  if(!document.getElementById || toggleDisplay.arguments.length < 2) return;
  var displayed = new Object();
      displayed['true'] = 'block';
      displayed['false'] = 'none';
  for(var i = 1; i < toggleDisplay.arguments.length; i++)
  {
    oDisplay = document.getElementById(toggleDisplay.arguments[i]);
    if(oDisplay)
    {
      oDisplay.style.display = displayed[bDisplayed];
      // mozilla is the only browser out of the lot that can't get this right.  so, if we're
      // setting an object's display style to block, we gotta reload any images contained
      // within that block.  mozilla won't do it for you like every other browser that
      // supports the functionality of changing the display style dynamically.
      // begin crap browser hack
      if(bDisplayed)
      {
        oImages = oDisplay.getElementsByTagName('IMG');
        for(var j = 0; j < oImages.length; j++)
          oImages[j].src = oImages[j].src;
      }
      // end mozilla, err, crap browser hack
       if(typeof toggledDisplay[toggleDisplay.arguments[i]] != 'undefined')
        toggledDisplay[toggleDisplay.arguments[i]] = !bDisplayed;
    }
  }
}

var prevClicked = ""; 
var x = "";

function SwapImage(curr){
tmpStr = curr.toString();

if (prevClicked != "")
	{
		if (x == '1')
		{
			document.getElementById(tmpStr).src='http://www.btwholesale.com/pages/downloads/21_Century_Network_Community/collapse.gif'
			document.getElementById(tmpStr).title='Hide additional information'
			x = '2';
		}else if (x == '2')
		{
			document.getElementById(tmpStr).src='http://www.btwholesale.com/pages/downloads/21_Century_Network_Community/expand.gif'
			document.getElementById(tmpStr).title='Show additional information'
			x = '1';
		}else if (x == "")
		{
			document.getElementById(tmpStr).src='http://www.btwholesale.com/pages/downloads/21_Century_Network_Community/expand.gif'
			document.getElementById(tmpStr).title='Show additional information'
			x = '1';
		}

	}
else{
	document.getElementById(tmpStr).src='http://www.btwholesale.com/pages/downloads/21_Century_Network_Community/collapse.gif'
	document.getElementById(tmpStr).title='Hide additional information'
	prevClicked = tmpStr;
	}
}

function hideAll(){
    toggleDisplay(false, 'sub1', 'sub2', 'sub3', 'sub4', 'sub5', 'sub6', 'sub7', 'sub8', 'sub9', 'sub10', 'sub11', 'sub12', 'sub13', 'sub14', 'sub15', 'sub16');
    toggleDisplay(true, 'toggleAll');
}