function validateform() {
    valid = true;
	errormsg = "Please complete the following fields: \n";
	var formName = validateform.arguments[0];
	for(i=1; i < validateform.arguments.length; i=i+2) {
    	var fieldName = validateform.arguments[i];
		var displayName = validateform.arguments[i+1];
	    if (eval("document."+formName+"."+fieldName+".value") == "") {
	        valid = false;
			errormsg += displayName + "\n";
    	}
		//Check to ensure a valid email address has been entered
		if (fieldName == "email") {
			var emailFilter = /^.+@.+\..{2,3}$/;
			var illegalChars = /[\(\)\<\>\,\;\:\\\/\"\[\]]/;
			emailAddress = eval("document."+formName+"."+fieldName+".value");
			if (!(emailFilter.test(emailAddress))) { 
				valid = false;
				errormsg += "Please Enter a Valid Email Address\n";
			}
			if (emailAddress.match(illegalChars)) {
				valid = false;
				errormsg += "Please Check your email address, it contains illegal characters.\n";
			}
			if ( document.sign_up.terms.checked == false )
   				 {
       		 errormsg += "Please check the Terms & Conditions box." ;
       			 valid = false;
    			}
		}
	}
	
	if (valid == false) {
		alert(errormsg);
	}
    return valid;
}


function validateCredit() {
    valid = true;
	errormsg = "Please complete the following fields: \n";

	if (document.sign_up.cardholder_name.value == "") {
		valid = false;
		errormsg += "Cardholder Name \n";
	}
	if (document.sign_up.cardNumber.value == "") {
		valid = false;
		errormsg += "Credit Card Number \n";
	} else if (document.sign_up.cardNumber.value.length < 10) {
		valid = false;
		errormsg += "Incorrect Card Number \n";
	}

	if (document.sign_up.csc.value == "") {
		valid = false;
		errormsg += "CSC \n";
	}

	if (valid == false) {
		alert(errormsg);
	}
    return valid;
}




function newWindow(mypage,myname,w,h,features) {
  if(screen.width){
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  }else{winl = 0;wint =0;}
  if (winl < 0) winl = 0;
  if (wint < 0) wint = 0;
  var settings = 'height=' + h + ',';
  settings += 'width=' + w + ',';
  settings += 'top=' + wint + ',';
  settings += 'left=' + winl + ',';
  settings += features;
  win = window.open(mypage,myname,settings);
  win.window.focus();
}

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];}
}

function toggletips(divID)
{
 if(document.getElementById(divID).style.display == 'block')
 {
 document.getElementById(divID).style.display = 'none';
 document.getElementById("tipsButton").href="#top";
 }
 else
 {
 document.getElementById(divID).style.display = 'block';
 document.getElementById("tipsButton").href="#comm";
 }
}