// paypal form
function checkAvailable() {
	if(typeof notAvailable == "undefined") { return true; }
	var f = document.fPaypal;
	var selectedcol = f.os0.options[f.os0.selectedIndex].value.replace(/[-\s]/g,'').toLowerCase();
	var selectedsize = f.os1.options[f.os1.selectedIndex].value;
	if(notAvailable.match(selectedcol + '-' + selectedsize)) {
		alert("Sorry, the t-shirt you have selected is currently out of stock in this size"); return false;
	} else {
		if(f.handling_cart.selectedIndex == 0) {
			alert("Please select a postage destination"); return false;
		} else {
			return true;
		}
	}
}

// popup windows
function openPopup(url,width,height,name,scrollbars,resize) {
	var h;
	if(arguments.length < 4) {name = 'popup';}
	if(arguments.length < 5) {scrollbars = 'yes';}
	if(arguments.length < 6) {resize = 'yes';}
	if(h != null && !h.closed) {h.close();}
	h = window.open(url,name,'toolbar=no,location=no,directories=no,status=no,scrollbars='+scrollbars+',resizable='+resize+',width='+width+',height='+height);
	h.focus();
}

// Mailing List signup
function isEmailAddress(string) {
	var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
	var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,6}|[0-9]{1,3})(\]?)$/; // valid
	if(reg1.test(string) || !reg2.test(string)) { return false; } else { return true; }
}
function signupSubmit(url) {
	var f = document.KeepMePostedForm;
	var error = "";
	
	if(f.EmailAddress.value == '') { error += 'Please enter your email address\n'; }
	else if(!isEmailAddress(f.EmailAddress.value)) { error += 'Please enter a valid email address\n'; }
	
	if(error != '') {
		alert(error);
		return false;
	} else {
		url = url + "?" + Form.serialize('KeepMePostedForm');
		Modalbox.show(url,{title:'&nbsp;',width:480});
		return false;
	}
}

// Dreamweaver Rollovers
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}