//Rollovers
{
var button1Off = new Image();
button1Off.src = "rollovers/a-off.gif";
var button1On = new Image();
button1On.src = "rollovers/a-on.gif";

var button2Off = new Image();
button2Off.src = "rollovers/b-off.gif";
var button2On = new Image();
button2On.src = "rollovers/b-on.gif";

var button3Off = new Image();
button3Off.src = "rollovers/c-off.gif";
var button3On = new Image();
button3On.src = "rollovers/c-on.gif";

var button4Off = new Image();
button4Off.src = "rollovers/d-off.gif";
var button4On = new Image();
button4On.src = "rollovers/d-on.gif";
}


function inact(imgName)
{
	if(document.images)
	{
	   	  	document[imgName].src = eval(imgName+'Off.src');
	}	
}

function act(imgName)
{
	if(document.images)
	{
	    	    document[imgName].src = eval(imgName+'On.src');
	}	
}

//Open Window
function landscape(page)
{popup1=window.open(page,"fullsize",'toolbar=0,menubar=0,scrollbars=0,resizable=0,width=370,height=278')}

function portrait(page)
{popup2=window.open(page,"fullsize",'toolbar=0,menubar=0,scrollbars=0,resizable=0,width=270,height=378')}

//EMail Address Validator
    // checks for a zero length string.
    function isBlank(element)
	{
	  return (element.value.length == 0);
	}
	
	// checks the e-mail address for a '@', '.' and no ' ' (spaces).
	function isValidEMail(element)
	{
	  return ((element.value.indexOf("@") != -1) && (element.value.indexOf(".") != -1) && (element.value.indexOf(" ") == -1));
	}
	
	function isValidForm(form)
	{
	  if(!isValidEMail(form.EMail))
	  {
	    alert ("Please enter a valid email address (ie: user@domain.com)");
		form.EMail.focus();
		form.EMail.select();
		return false;
	  }
	  
	  return true;}