var DHTML = (document.getElementById || document.all); //geen Netscape 4
var menutext = ""; //tekst die in het menu
var screensize = 0; //geeft drie schermformaten weer: 800, 1024 en 1280
var portretimg = ""// geeft aan wat het portret image is
var portretdetailimg = ""// geeft aan wat het portretdetail image is
var fotoimg = ""// geeft aan wat het foto image is
var fotodetailimg = ""// geeft aan wat het fotodetail image is
var popupheightdifference = 64
var popupwidthdifference = 20
var popupheight = screen.height-popupheightdifference
var popupwidth = screen.width-popupwidthdifference
var popuptop = 5
var popupleft = 5
var popupactive = "false"

//vullen menutext

//vullen menutext

menutext += '<span id="menubase"><span id="menu">'
menutext += '<span id="menublockleft"><a href="../index.htm" OnClick="popup(\'index.htm\')">home</a><br><br>'
menutext += '<a href="../index.htm#product" OnClick="popup(\'index.htm#product\')">product</a><br><br>'
menutext += '<a href="../voorbeelden.htm" OnClick="popup(\'voorbeelden.htm\')">samples</a><br><br>conditions:<br>'
menutext += '<a href="../index.htm#intkort" OnClick="popup(\'index.htm#intkort\')">- in short</a><br>'
menutext += '<a href="../index.htm#prijs" OnClick="popup(\'index.htm#prijs\')">- price</a><br>'
menutext += '<a href="../index.htm#levertijd" OnClick="popup(\'index.htm#levertijd\')">- delivery time</a><br>'
menutext += '<a href="../index.htm#garantie" OnClick="popup(\'index.htm#garantie\')">- guarantee</a><br>'
menutext += '<a href="../index.htm#procedure" OnClick="popup(\'index.htm#procedure\')">- procedure</a></span>'
menutext += '<span id="menublockright"><a href="../index.htm#bestellen" OnClick="popup(\'index.htm#bestellen\')">order</a><br><br>'
menutext += '<a href="../index.htm#overons" OnClick="popup(\'index.htm#overons\')">about us</a><br><br>'
menutext += '<a href="../index.htm#contact" OnClick="popup(\'index.htm#contact\')">contact</a><br><br>'
menutext += '<a href="../index.htm#overdesite" OnClick="popup(\'index.htm#overdesite\')">about this site</a><br><br>'
menutext += '<a href="../index.htm#links" OnClick="popup(\'index.htm#links\')">links</a><br><br><br>'
menutext += '</span>'
menutext += '<span id="menupicture"></span></span></span>'
menutext += '<span id="hidemenu" onMouseOver="hide(\'menubase\');hide(\'hidemenu\');show(\'totalarea\');show(\'showmenu\')">hide menu</span>'
menutext += '<span id="showmenu" onMouseOver="show(\'menubase\');show(\'hidemenu\');hide(\'totalarea\');hide(\'showmenu\')">menu</span>'


//functions

function show(name)
{
	if (!DHTML) return;
	{
		var x = getObj(name);
		x.visibility = 'visible';
	}
}

function hide(name)
{
	if (!DHTML) return;
	{
		var x = getObj(name);
		x.visibility = 'hidden';
	}
}

function getObj(name)
{
  if (document.getElementById)
  {
    return document.getElementById(name).style;
  }
  else if (document.all)
  {
    return document.all[name].style;
  }
  else return false;
}

function testforminput() {


var emailEntered = "";
 emailEntered=document.forms[0].Email.value;

if (document.forms[0].Email.value =="") {
    alert ("Please fill in the email address!");
    document.forms[0].elements["Email"].focus();
    return false;
  }
else
{
	emailValue= new String(emailEntered);
    emailHasAt=emailValue.indexOf("@");
	 emailHasPeriod=emailValue.indexOf(".");
	 if ((emailHasAt == -1) || (emailHasPeriod == -1 )){
		alert ("The @ of . lacks in the email address you filled in.");
   	document.forms[0].elements["Email"].focus();
   	return false;
   }  
}			
	
	
if (document.forms[0].lastname.value =="") {
    alert ("Please fill in your family name");
    document.forms[0].elements["lastname"].focus();
    return false;
  }	


if (document.forms[0].address1.value =="") {
    alert ("Please fill in at least 2 lines of your address. Line 1 is empty");
    document.forms[0].elements["address1"].focus();
    return false;
  }
	
if (document.forms[0].address2.value =="") {
    alert ("Please fill in at least 2 lines of your address. Line 1 is empty");
    document.forms[0].elements["address2"].focus();
    return false;
  }	
	
}