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 clearField(field){
	//if (document.getElementById(field).value == 'Email Address'){
		//document.getElementById(field).value = '';
		document.getElementById(field).style.backgroundImage = 'url(/images/transparent.gif)';
	//}
}

function fillField(field){
	if (document.getElementById(field).value == '' && field == 'email'){
		//document.getElementById(field).value = 'Email Address';
		document.getElementById(field).style.backgroundImage = 'url(/images/input-bg-email.png)';
	}
	else if (document.getElementById(field).value == '' && field == 'password'){
		//document.getElementById(field).value = 'Email Address';
		document.getElementById(field).style.backgroundImage = 'url(/images/input-bg-password.png)';
	}
}

function eventRegister(id){
	document.getElementById('event_'+id).checked = true;
	document.getElementById('register_image_'+id).innerHTML = '<img src="/images/registered-btn.gif" width="141" height="26" align="absmiddle" />';
	document.getElementById('unregister_link_'+id).style.display = 'inline';
}

function eventUnregister(id){
	document.getElementById('event_'+id).checked = false;
	document.getElementById('register_image_'+id).innerHTML = '<img src="/images/register-btn.gif" width="141" height="26" align="absmiddle" />';
	document.getElementById('unregister_link_'+id).style.display = 'none';
}

function showGuestForms(numOfGuests){
	
	if (numOfGuests !== 0){document.getElementById('guest-registration-container').style.display = 'block';}
	else {document.getElementById('guest-registration-container').style.display = 'none';}
	
	for (var i=0; i <= numOfGuests; i++){
		if (i !== 0){document.getElementById('guest-row-'+i).style.display = 'block';}
	}
	
	for (var i=20; i > numOfGuests; i--){
		if (i !== 0){document.getElementById('guest-row-'+i).style.display = 'none';}
	}
	
}

function copyMyInfo(){
	var form = document.getElementById('donationForm');
	
	form.cc_first_name.value = form.first_name.value;
	form.cc_last_name.value = form.last_name.value;
	form.cc_shiptophonenum.value = form.phone.value;
	form.cc_email.value = form.email.value;
	form.cc_address.value = form.address.value;
	form.cc_city.value = form.city.value;
	form.cc_state.value = form.state.value;
	form.cc_zip.value = form.zip.value;
}

function toggleVisibility(obj){
	
	var state = document.getElementById(obj).style.display;
	
	if (state == "block")
		{document.getElementById(obj).style.display = "none";}
		
	else if (state == "none")
		{document.getElementById(obj).style.display = "block";}
	
}