// JavaScript Document
// hide email address/mailto link from non-JavaScript-aware crawlers
//var lhs = "kande";     // change this to your username/alias
//var rhs = "igc.org";  // change this to your domain

	 function validEmail(email) {
		 var invalidChars = "/:,;";
		 invalidChars = invalidChars + " ";
		 if(email == "") {
			 return false;
		 } 
		var end = email.length;
		 var bingo = email.lastIndexOf(" ");
		 for (i=0; i<email.length; i++) {
			 if((end -1) == bingo){
				email= email.slice(0, -1);
				 bingo = email.lastIndexOf(" ");
				 end=email.length;
			 }
		 }
		 for (i=0; i<invalidChars.length; i++) {
			 var badChar= invalidChars.charAt(i);
			 if (email.indexOf(badChar,0)> -1) {
			 return false;
			 }
		 }
		atPos = email.indexOf("@",1)
		if (atPos == -1) {
		return false;
		}
		if (email.indexOf("@",atPos+1) > -1) {
		return false;
		}
		periodPos = email.indexOf(".",atPos);
		if (periodPos == -1) {
			return false;
		}
		if (periodPos+3 > email.length) {
			return false;
		}
	 return true;
	 }	
	
	function submitIt(emailForm) {
		if(!validEmail(emailForm.email.value)) {
		alert("The email address isn't valid. Please check and retype.");
		emailForm.email.focus()
		emailForm.email.select()
		return false;
		}
	return true;
	}

function clearText(field){ 
if (field.defaultValue == field.value) field.value = '';
else if (field.value == '') field.value = field.defaultValue;
}