function IsEmailValid(FormName,ElemName)
{
var EmailOk  = true
var Temp     = document.forms[FormName].elements[ElemName]
var AtSym    = Temp.value.indexOf('@')
var Period   = Temp.value.lastIndexOf('.')
var Space    = Temp.value.indexOf(' ')
var Length   = Temp.value.length - 1   // Array is from 0 to length-1

if ((AtSym < 1) ||                     // '@' cannot be in first position
    (Period <= AtSym+1) ||             // Must be atleast one valid char btwn '@' and '.'
    (Period == Length ) ||             // Must be atleast one valid char after '.'
    (Space  != -1))                    // No empty spaces permitted
   {  
      EmailOk = false
   }
return EmailOk
}

function NewsletterSignUp() 
{
	var formOK  = true 
	if (document.newsletter.email.value=="")
		{
		formOK = false;
		}
	if (IsEmailValid("newsletter","email")==false)
		{	
		formOK = false;
		}	
	if (formOK == false)
		{
		alert('Please enter a\rvalid email address!');
		return false;
		}
		document.newsletter.submit();
		return true;
}


function ContactUs() 
{
	var formOK  = true 
	if (document.contactus.email.value=="")
		{
		formOK = false;
		}
	if (IsEmailValid("contactus","email")==false)
		{	
		formOK = false;
		}	
	if (formOK == false)
		{
		alert('Please enter a\rvalid email address!');
		return false;
		}
		document.contactus.submit();
		return true;
}


function OpenNewWindow(val) {
	window.open(val,'Detail','width=400,height=500,top=20,left=20,toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,copyhistory=yes,resizable=yes'); 
}

function OpenNewBrowser(val) {
	window.open(val,'NewWin','width=675,height=400,top=20,left=20,toolbar=yes,location=yes,directories=no,status=yes,menubar=yes,scrollbars=yes,copyhistory=yes,resizable=yes'); 
}


function GoTo(box) {
if ((-1 < box.selectedIndex) && (box.options[box.selectedIndex].value != 'nil')) {
	val = box.options[box.selectedIndex].value;
	if (val.lastIndexOf(',') != -1) {
		window.location = ((val.substring(0,val.lastIndexOf(","))), (val.substring((val.lastIndexOf(",")+1) , val.length)));
	} else {
		window.location = (val);
		}
	}
	return true;
}


//ie or ns css
if (document.layers){
document.write("<link rel='stylesheet' href='css/ns_win.css' type='text/css'>")
}
else{
document.write("<link rel='stylesheet' href='css/ie_win.css' type='text/css'>")
}




//pre loads
im1 = new Image(); 
im1.src="images/fbsidenav/home_o.gif";
im2 = new Image(); 
im2.src="images/fbsidenav/orderinfo_o.gif";
im3 = new Image(); 
im3.src="images/fbsidenav/latestreleases_o.gif";
im4 = new Image(); 
im4.src="images/fbsidenav/checkout_o.gif";
im5 = new Image(); 
im5.src="images/fbsidenav/aboutfuturebeat_o.gif";
im6 = new Image(); 
im6.src="images/fbsidenav/contactus_o.gif";