<!--

function MM_goToURL() { //v3.0

  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;

  for (i=0; i<(args.length-1); i+=2)

eval(args[i]+".location='"+args[i+1]+"'");

}

//-->

function isEmail (emailStr) 
{
   /* The following pattern is used to check if the entered e-mail address
   fits the user@domain format.  It also is used to separate the username
   from the domain. */
   var emailPat=/^(.+)@(.+)$/

   /* The following string represents the pattern for matching all special
   characters. 
   These characters include ( ) < > @ , ; : \ " . [ ]    */
   var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"

   /* The following string represents the range of characters allowed in a 
   username or domainname.  */
   var validChars="\[^\\s" + specialChars + "\]"

   /* The following pattern applies if the "user" is a quoted string */ 
   var quotedUser="(\"[^\"]*\")"


   /* The following pattern applies for domains that are IP addresses*/
      var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/

   /* The following string represents an atom, basically a series of
   non-special characters. */
   
   var atom=validChars + '+'

   /* The following string represents one word in the typical username. */
  
   var word="(" + atom + "|" + quotedUser + ")"

   // The following pattern describes the structure of the user
   
   var userPat=new RegExp("^" + word + "(\\." + word + ")*$")

   /* The following pattern describes the structure of a normal symbolic
   domain, as opposed to ipDomainPat, shown above. */

   var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


   /* checking valid email address */  
   var matchArray=emailStr.match(emailPat)
   if (matchArray==null) 
   {
     /* Too many/few @'s */
        alert("Email address seems incorrect (check @ and .'s)")
        document.signup.inputEmail.value='';
        document.signup.inputEmail.focus();
        return false		
   }

   var user=matchArray[1]
   var domain=matchArray[2]

   // See if "user" is valid 
   if (user.match(userPat)==null) 
   {
     // user is not valid
     alert("The username doesn't seem to be valid.")
     document.signup.inputEmail.value='';
     document.signup.inputEmail.focus();
     return false
   }

   /* if the e-mail address is at an IP address (as opposed to a symbolic host name) make sure the IP address is valid. */
   var IPArray=domain.match(ipDomainPat)
   if (IPArray!=null) 
   {
     // this is an IP address
     for (var i=1;i<=4;i++) 
     {
       if (IPArray[i]>255) 
       {
         alert("Destination IP address is invalid!")
         document.signup.inputEmail.value='';
         document.signup.inputEmail.focus();
         return false
       }
     }
     return true
   }

   // Domain is symbolic name
   var domainArray=domain.match(domainPat)
   if (domainArray==null) 
   {
      alert("The domain name doesn't seem to be valid.")
     document.signup.inputEmail.value='';
     document.signup.inputEmail.focus();
      return false
   }
 


   /* domain name seems valid, but now make sure that it ends in a
   three-letter word (like com, edu, gov) or a two-letter word,
   representing country (uk, nl), and that there's a hostname preceding 
   the domain or country. */

   /* Now we need to break up the domain to get a count of how many atoms
   it consists of. */
   
   var atomPat=new RegExp(atom,"g")
   var domArr=domain.match(atomPat)
   var len=domArr.length
   if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) 
   {
     // the email must end in a two letter or three letter word.
     alert("The email must end in a three-letter domain, or two letter country.")
     document.signup.inputEmail.value='';
     document.signup.inputEmail.focus();
     return false
   }

   // Make sure there's a host name preceding the domain.
   if (len<2) 
   {
     var errStr="This email is missing a hostname!"
     alert(errStr)
     document.signup.inputEmail.value='';
     document.signup.inputEmail.focus();
     return false
   }

   return true;
}
//  End -->

<!-- Begin 
	
	var o = null; 
	var isNN = (navigator.appName.indexOf("Netscape")!=-1); 
		
	function beginEditing(menu)
	{
		finish(); 
			
		if(menu[menu.selectedIndex].value == "editable")
		{
			o = new Object(); 
			o.editOption = menu[menu.selectedIndex]; 
			o.editOption.old = o.editOption.text; 
			o.editOption.text = " "; 
			menu.blur(); 
			window.focus(); 
			document.onkeypress = keyPressHandler; 
			document.onkeydown = keyDownHandler; 
		} 
			
		function keyDownHandler(e)
		{ 
			var keyCode = (isNN)?e.which:event.keyCode; 
			return (keyCode!=8 || keyPressHandler(e)); 
		}
			
		function keyPressHandler(e)
		{ 
			var option = o.editOption; 
			var keyCode = (isNN)?e.which:event.keyCode; 
			if(keyCode==8 || keyCode==37) 
				option.text = option.text.substring(0,option.text.length-2); 
			else if(keyCode==13)
			{ 
				finish(); 
			} 
			else if(keyCode!=0) 
				option.text = option.text.substring(0,option.text.length-1) + String.fromCharCode(keyCode)+' '; 
				return false; 
		} 
					
		function finish()
		{ 
			if(o!=null)
			{
				option = o.editOption; 
				if(option.text.length > 1) 
					option.text = option.text.substring(0,option.text.length-1); 			
				else 
					option.text = option.old; 
					document.onkeypress = null; 
					document.onkeydown = null; 
					o = null; 
			} 
		} 
	} 
	function getallImagevalues()
	{
		getvalueCategory();
		getvalueMaterial();
		getvalueTechnique();
	}
	function getvalueCategory() 
	{ 
		editable = "inputCategory"; 
		//alert(document.Array.elements[editable].options[document.Array.elements[editable].selectedIndex].text); 
		document.Array.txtoption.value = document.Array.inputCategory.options[document.Array.inputCategory.selectedIndex].text; 
	} 
	function getvalueMaterial() 
	{ 
		editable = "inputMaterial";
		document.Array.materialoption.value = document.Array.inputMaterial.options[document.Array.inputMaterial.selectedIndex].text; 
		//alert(document.Array.materialoption.value+' hei');
	}
	function getvalueTechnique() 
	{ 
		editable = "inputTechnique" ; 
		document.Array.techniqueoption.value = document.Array.inputTechnique.options[document.Array.inputTechnique.selectedIndex].text; 
	}
	function getArtistCategory()
	{ 
		editable = "inputCategory"; 
		//alert(document.Array.elements[editable].options[document.Array.elements[editable].selectedIndex].text); 
		document.Array.txtoption.value = document.Array.inputCategory.options[document.Array.inputCategory.selectedIndex].text; 
	}

//--> 

<!--
	function MM_reloadPage(init) 
	{  
		//reloads the window if Nav4 resized
  		if (init==true) with (navigator) 
		{
			if ((appName=="Netscape")&&(parseInt(appVersion)==4)) 
			{
			    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; 
			}	
		}
		else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) 
			location.reload();
	}
	MM_reloadPage(true);
// -->