/* ================= FORM VALIDATION ========================== *

/* E-Mail Validator */
function validEmail(email) {
	invalidChars = " /:,;"

	if (email == "") {						// E-Mail can be empty
		return true
	}
	for (i=0; i<invalidChars.length; i++) {	// If E-Mail not empty, does it contain any invalid characters?
		badChar = invalidChars.charAt(i)
		if (email.indexOf(badChar,0) > -1) {
			document.waulkForm.Email.focus()
			document.waulkForm.Email.select()			
			return false
		}
	}
	atPos = email.indexOf("@",1)			// there must be one "@" symbol
	if (atPos == -1) {
		document.waulkForm.Email.focus()
		document.waulkForm.Email.select()				
		return false
	}
	if (email.indexOf("@",atPos+1) != -1) {	// and only one "@" symbol
		document.waulkForm.Email.focus()
		document.waulkForm.Email.select()					
		return false
	}
	periodPos = email.indexOf(".",atPos)
	if (periodPos == -1) {					// and at least one "." after the "@"
		document.waulkForm.Email.focus()
		document.waulkForm.Email.select()					
		return false
	}
	if (periodPos+3 > email.length)	{		// must be at least 2 characters after the "."
		document.waulkForm.Email.focus()
		document.waulkForm.Email.select()					
		return false
	}
	return true
}

/* Form Validation */

function validate() {


	// Check that there is a name
	if (!document.waulkForm.Name.value){
		
		alert ("We need your name so we know who you are!")
		document.waulkForm.Name.focus()
		document.waulkForm.Name.select()			
		return false
	}

	// Check that there is at least one of: an Address, a Phone number or an Email address
	if (!document.waulkForm.Address.value){
		alert ("We need your Address")
		document.waulkForm.Address.focus()
		document.waulkForm.Address.select()
		return false
	}
	
	// Check that there is at least one of: an Address, a Phone number or an Email address
	if (!document.waulkForm.Phone.value && !document.waulkForm.Email.value){
		alert ("We need either your Phone or Email address to assist us in responding to your request for information.")
		document.waulkForm.Address.focus()
		document.waulkForm.Address.select()
		return false
	}	
	
	// check to see if the email's valid
	if (!validEmail(document.waulkForm.Email.value)) {
		alert ("Invalid email address!")
		document.waulkForm.Email.focus()
		document.waulkForm.Email.select()
		return false
	}

}