var flag;
function submitform(f)	{
	var bn=f.bname.value;
	var gn=f.gname.value;

	if(bn=="" && gn=="")
		{
		alert("Please specify either bride's or groom's name or both.");
		f.bname.focus();
		return(false);
		}

	var ed=f.edate.value;

	if (ed=="") {
		alert("Please enter a event date");
		f.edate.focus();
		return false;
	}


	var em=f.email.value;

	if (! isValidEmail(em)) {
		alert("Please enter a valid email address");
		f.email.value="";
		f.email.focus();
		return false;
	}

	var pnum=f.phone.value;
	if(pnum=="")
		{
		alert("Phone Number cannot be blank");
		f.phone.focus();
		return(false);
		}
	else
		{
		flag=validatephone(pnum);
		if(!flag)
			{
			alert("Please enter a valid phone number.");
			f.phone.value="";
			f.phone.focus();
			return(false);
			}
		}
}


function validate(str)
	{
	var	chk,found=false;
	chk="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_1234567890. ";
	for(i=0;i<=str.length;i++)
		{
		found=false;
		for(j=0;j<=chk.length;j++)
			{
			if(str.charAt(i)==chk.charAt(j))
				{
				found=true;
				}
			}
			if(found==false)
				{
				return(false);
				}
		}
		return(true);
	}

function validateline(str)
	{
	var	chk,found=false;
	chk="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_1234567890. -/()";
	for(i=0;i<=str.length;i++)
		{
		found=false;
		for(j=0;j<=chk.length;j++)
			{
			if(str.charAt(i)==chk.charAt(j))
				{
				found=true;
				}
			}
			if(found==false)
				{
				return(false);
				}
		}
		return(true);
	}

function validatepostalcode(str)
	{
	var	chk,found=false;
	chk="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890- ";
	for(i=0;i<=str.length;i++)
		{
		found=false;
		for(j=0;j<=chk.length;j++)
			{
			if(str.charAt(i)==chk.charAt(j))
				{
				found=true;
				}
			}
			if(found==false)
				{
				return(false);
				}
		}
		return(true);
	}

function validatephone(str)
	{
	var	chk,found=false;
	chk="1234567890-";
	for(i=0;i<=str.length;i++)
		{
		found=false;
		for(j=0;j<=chk.length;j++)
			{
			if(str.charAt(i)==chk.charAt(j))
				{
				found=true;
				}
			}
			if(found==false)
				{
				return(false);
				}
		}
		return(true);
	}
	
	


function isValidEmail(email, required) {
    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        }
        return true;
    }
    if (email.length==0) {  
        if (required) {
            return false;
        }
        return true;
    }
    if (! allValidChars(email)) {  // check to make sure all characters are valid
        return false;
    }
    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
        return false;
    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
        return false;
    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
        return false;
    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
	return false;
    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
	return false;
    }
    return true;
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}

var flag;
function submitform1(f)
	{
	var un=f.Name.value;

	if(un=="")
		{
		alert("Name cannot be blank.");
		f.Name.focus();
		return(false);
		}

var pnum=f.Phone.value;
	if(pnum=="")
		{
		alert("Phone Number cannot be blank");
		f.Phone.focus();
		return(false);
		}
	else
		{
		flag=validatephone(pnum);
		if(!flag)
			{
			alert("Please Enter a Valid Phone Number.");
			f.Phone.value="";
			f.Phone.focus();
			return(false);
			}
		}
var email=f.Email.value;

	if (! isValidEmail(email)) {
        alert("Please enter a valid email address");
		f.email.value="";
		f.email.focus();
        return false;
     }
}