function formselect(whatone)
	{
	 document.getElementById(whatone).value = ""
	}

	function navrollon(whichone)
	{
	 document.getElementById('navtab_' + whichone).src = 'images/navtab/' + whichone + '_on.gif'
	}
	function navrolloff(whichone)
	{
	 document.getElementById('navtab_' + whichone).src = 'images/navtab/' + whichone + '_off.gif'
	}

	function topnavdisplay(whichone)
	{
	 document.getElementById('portfolionav').style.display = "none"
   	 document.getElementById('mainnav').style.display = "none"
	 document.getElementById(whichone + 'nav').style.display = "block"
	}

	function navdisplay(whichone)
	{
	 document.getElementById('blanknav').style.display = "none"
	 document.getElementById('archnav').style.display = "none"
	 document.getElementById('webnav').style.display = "none"
	 
	 document.getElementById(whichone + "nav").style.display = "block"
	}