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 mytrim(val)
{
		val1 = "";
		val2="";
		ctrr = 0;
		lngth = val.length;
		for (i=0; i<lngth; i++)
		{
		if (val.charCodeAt(i) != 32)
		{
		for(j=i;j<lngth;j++)
		{
		if (val.charCodeAt(j) != 13 && val.charCodeAt(j) != 10 )
			{
			val1 += val.charAt(j);
			}
		}
		break;
		}
		}
		if (val1 != "")
		{
		lngth = val1.length
		ctrr=lngth;
		for (k=0; k<lngth; k++)
		{
		ctrr=ctrr-1;
		if (val1.charCodeAt(ctrr) != 32)
		{
		for(l=0;l<lngth-k;l++)
		{
		val2 += val1.charAt(l);
		}
		val1=val2;
		break;
		}
		}
		}
		return val1;
}
function IsNumeric(sText)
 {
   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;


   for (i = 0; i < sText.length && IsNumber == true; i++)
      {
      Char = sText.charAt(i);
      if (ValidChars.indexOf(Char) == -1)
         {
         IsNumber = false;
         }
      }
   return IsNumber;

 }
 
 function validateVolunteer()
{
		if(mytrim(document.volunteerform.txtfirstname.value)=="")
		{
					  alert("Please enter First Name");
					  document.volunteerform.txtfirstname.focus();
					  return false;
		}
		if(mytrim(document.volunteerform.txtlastname.value)=="")
		{
					  alert("Please enter Last Name");
					  document.volunteerform.txtlastname.focus();
					  return false;
		}
				  
		var chkFilter=/\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/;
		if (!(chkFilter.test(document.volunteerform.txtemail.value))) {
			  alert("Please enter a valid email address");
			  document.volunteerform.txtemail.focus();
			  return false;
		}
		if (!mytrim(document.volunteerform.txtzip.value)=="")
		{
			if (!IsNumeric(document.volunteerform.txtzip.value))
			{
				alert("Please enter valid Zip");
				document.volunteerform.txtzip.focus();
				return false;
			}
			if (document.volunteerform.txtzip.value.length<5)
			{
				alert("Please enter valid Zip");
				document.volunteerform.txtzip.focus();
				return false;
			}
		}
		if(!mytrim(document.volunteerform.txtmessage.value)=="")
		{
			if (document.volunteerform.txtmessage.value.length>1000)
			{
			  alert("Please enter Comments below 1000 words.");
			  document.volunteerform.txtmessage.focus();
			  return false;
			}
		}
		
}
function emptyvalue(x)
{
	if(x.value=="Email" || x.value=="Zip")
	{
		x.value="";
	}
	
}
function ValidateSignUp()
{
	var chkFilter=/\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/;
	if (!(chkFilter.test(document.emailform.email.value))) {
	  alert("Please enter a valid email address");
	  document.emailform.email.focus();
	  return false;
	 }
	if (document.emailform.zip.value=="")
	{
		alert("Please enter Zip Code");
		document.emailform.zip.focus();
		return false;
	}
	if (!IsNumeric(document.emailform.zip.value))
	{
		alert("Please enter Valid Zip Code");
		document.emailform.zip.focus();
		return false;
	}
	if (document.emailform.zip.value.length<5)
	{
		alert("Please enter Valid Zip Code");
		document.emailform.zip.focus();
		return false;
	}
}