function validateForm() 
{ 
	if (document.membershipform.companyname.value == "")
	{
		alert("Company Name is a required field.")
		document.membershipform.companyname.focus()
		return false
	}
	else if (document.membershipform.address.value == "")
	{
		alert("Address is a required field.")
		document.membershipform.address.focus()
		return false
	}
	else if (document.membershipform.city.value == "")
	{
		alert("City is a required field.")
		document.membershipform.city.focus()
		return false
	}
	
	else if (document.membershipform.postalcode.value == "")
	{
		alert("Postal Code is a required field.")
		document.membershipform.postalcode.focus()
		return false
	}
	else if (document.membershipform.mainphone.value == "")
	{
		alert("Telephone Number is a required field.")
		document.membershipform.mainphone.focus()
		return false
	}
	else if (document.membershipform.maincontact1.value == "")
	{
		alert("Main Contact is a required field.")
		document.membershipform.maincontact1.focus()
		return false
	}
	else
	{
		return true
	}
}


var popWin = null    
var winCount = 0
var winName = "popWin"
function openPopWin(winURL, winWidth, winHeight, winFeatures, winLeft, winTop){
  var d_winLeft = 200  // default, pixels from screen left to window left
  var d_winTop = 200   // default, pixels from screen top to window top
  winName = "popWin" + winCount++ //unique name for each pop-up window
  closePopWin()           // close any previously opened pop-up window
  if (openPopWin.arguments.length >= 4)  // any additional features? 
    winFeatures = "," + winFeatures
  else 
    winFeatures = "" 
  if (openPopWin.arguments.length == 6)  // location specified
    winFeatures += getLocation(winWidth, winHeight, winLeft, winTop)
  else
    winFeatures += getLocation(winWidth, winHeight, d_winLeft, d_winTop)
  popWin = window.open(winURL, winName, "width=" + winWidth 
           + ",height=" + winHeight + winFeatures)
  }
function closePopWin(){    // close pop-up window if it is open 
  if (navigator.appName != "Microsoft Internet Explorer" 
      || parseInt(navigator.appVersion) >=4) //do not close if early IE
    if(popWin != null) if(!popWin.closed) popWin.close() 
  }
function getLocation(winWidth, winHeight, winLeft, winTop){
  return ""
  }