function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}

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_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_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 highlightBG(el)
{
	// Clear bg on others
	// Loop through other A elements and clear class if it's there
	var aTags = document.getElementsByTagName('a');
	for(i in aTags)
	{			
		if (aTags[i].className == "yellowBG") aTags[i].className = undefined;
	}
	
	// Set bg on given el
	el.className='yellowBG';
	
	// Set radio button child as checked
	var thisRadio = el.parentNode.getElementsByTagName('p')[0].getElementsByTagName('input')[0];
	if (thisRadio)
	{
		thisRadio.checked = true;
	}
}

function initPage()
{ 
 // Loop through A elements and add the highlightBG event to onClick()
 var aTags = document.getElementsByTagName('a');
 for (i=0; i < aTags.length; i++)
 {
  var aTagKids = aTags[i].getElementsByTagName('img');
  if (aTagKids.length>0)
  { 
   aTags[i].onclick = function()
   {
    highlightBG(this);
    return false;
   }
  }
 }
 
 // Hide all the radio buttons
 var inputTags = document.getElementsByTagName('input');
 for (i=0; i < inputTags.length; i++)
 {
  if (inputTags[i].type == "radio") inputTags[i].style.display = "none";
 }
}


function resetForm()
{
	document.CardForm.recipient_name.value = '';
	document.CardForm.message.value = '';
	document.CardForm.sender_name.value = '';
	document.CardForm.recipient_email.value = '';
	document.CardForm.email.value = '';
	return false;
}

function fnGoBack()
{
	history.go(-1);
}	

function open_window(url,title,widt,heigh)
{
	window.open(url,title,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width='+widt+',height='+heigh);
}

function checkForCharacters(inputString, checkString, startingIndex)
{
	if (!startingIndex) startingIndex = 0;
	return inputString.indexOf(checkString);
}

function checkFields()
{
	var theform = document.frmFeedback
	for(i=0; i<theform.elements.length; i++){
	var field = theform.elements[i]
	var isReq = (field.name.charAt(0)=="*") ? true : false
	if(isReq)
	{
		if ((field.name == "recipient_name") && field.value.length < 2) 
		{
			alert("Please include a recipient name.")
			return false
		}
		if ((field.name == "recipient_email") && field.value.length < 2) 
		{
			alert("Please include a recipient e-mail address.")
			return false
		}
		if((field.name == "recipient_email") && checkForCharacters(field.value, '@') < 2)
		{
			alert("Please use a valid email address.")
			return false
		}
		else if ((field.name == "email") && field.value.length < 2) 
		{
			alert("Please include your e-mail address.")
			return false
		}
	}
	}
	return true
}