function fchecknull() {
		if (vtmpsubmit == "Login") {
			if (sBW == "Microsoft Internet Explorer") {
				var orate = document.all.item("loginname");
				var opwd = document.all.item("UsrPassword");
			}
			else if (sBW == "Netscape") {
				var orate = document.getElementById("loginname");
				var opwd = document.getElementById("UsrPassword");
			}
			var vrate = trim(orate.value);
			if (vrate == ""){
				alert("User Name was not entered !!");
				orate.value = "";
				orate.focus();
				return false;
			}
			else if (isEmail(vrate) == false){
				alert("'"+ vrate + "' is not a valid email address !!");
				orate.focus();
				return false;
			}
			else if (trim(opwd.value) == ""){
				alert("Password was not entered !!");
				opwd.value = "";
				opwd.focus();
				return false;
			}
			else{
				return true;
			}
		}
		else if (vtmpsubmit == "Register") {
			if (sBW == "Microsoft Internet Explorer") {
				var orate = document.all.item("UsrName1");
				var opwd = document.all.item("UsrPassword1");
				var opwd2 = document.all.item("UsrPassword2");
				var ofname = document.all.item("FName");
				var olname = document.all.item("LName");
				var ohphone1 = document.all.item("hphone1");
				var ohphone2 = document.all.item("hphone2");
				var ohphone3 = document.all.item("hphone3");
				var owphone1 = document.all.item("wphone1");
				var owphone2 = document.all.item("wphone2");
				var owphone3 = document.all.item("wphone3");
				var ozip = document.all.item("zipcode");
			}
			else if (sBW == "Netscape") {
				var orate = document.getElementById("UsrName1");
				var opwd = document.getElementById("UsrPassword1");
				var opwd2 = document.getElementById("UsrPassword2");
				var ofname = document.getElementById("FName");
				var olname = document.getElementById("LName");
				var ohphone1 = document.getElementById("hphone1");
				var ohphone2 = document.getElementById("hphone2");
				var ohphone3 = document.getElementById("hphone3");
				var owphone1 = document.getElementById("wphone1");
				var owphone2 = document.getElementById("wphone2");
				var owphone3 = document.getElementById("wphone3");
				var ozip = document.getElementById("zipcode");
			}
			if (trim(ofname.value) == ""){
				alert("First Name was not entered !!");
				ofname.value = "";
				ofname.focus();
				return false;
			}
			else if (trim(olname.value) == ""){
				alert("Last Name was not entered !!");
				olname.value = "";
				olname.focus();
				return false;
			}
			else if (trim(orate.value) == ""){
				alert("Email was not entered !!");
				orate.value = "";
				orate.focus();
				return false;
			}
			else if (isEmail(trim(orate.value)) == false){
				alert("'"+ trim(orate.value) + "' is not a valid email address !!");
				orate.focus();
				return false;
			}
			else if (trim(opwd.value) == ""){
				alert("Password was not entered !!");
				opwd.value = "";
				opwd.focus();
				return false;
			}
			else if (trim(opwd.value) != trim(opwd2.value)){
				alert("Confirm Password should be same as Password!!");
				opwd2.value = "";
				opwd2.focus();
				return false;
			}
			else if (trim(ozip.value) != ""){
				if (numCheck(trim(ozip.value)) == false) {
					alert("Zipcode entered is not a numeric value !!");
					ozip.focus();
					return false;
				}
			}
			else if ((trim(ohphone1.value) != "")||(trim(ohphone2.value) != "")||(trim(ohphone3.value) != "")){
				if (trim(ohphone1.value).length != 3){
					alert("Home Phone Area code should have 3 digits !!");
					ohphone1.focus();
					return false;
				}
				else if (numCheck(trim(ohphone1.value)) == false){
					alert("Home Phone Area code entered is not a numeric value !!");
					ohphone1.focus();
					return false;
				}
				else if (trim(ohphone2.value) == ""){
					alert("Home Phone 2nd 3 digits were not entered !!");
					ohphone2.focus();
					return false;
				}
				else if (trim(ohphone2.value).length != 3){
					alert("Home Phone 2nd part should have 3 digits !!");
					ohphone2.focus();
					return false;
				}
				else if (numCheck(trim(ohphone2.value)) == false){
					alert("Home Phone 2nd part entered is not a numeric value !!");
					ohphone2.focus();
					return false;
				}
				else if (trim(ohphone3.value) == ""){
					alert("Home Phone last 4 digits were not entered !!");
					ohphone3.focus();
					return false;
				}
				else if (trim(ohphone3.value).length != 4){
					alert("Home Phone last part should have 4 digits !!");
					ohphone3.focus();
					return false;
				}
				else if (numCheck(trim(ohphone3.value)) == false){
					alert("Home Phone last part entered is not a numeric value !!");
					ohphone3.focus();
					return false;
				}
			}
			else if ((trim(owphone1.value) != "")||(trim(owphone2.value) != "")||(trim(owphone3.value) != "")){
				if (trim(owphone1.value).length != 3){
					alert("Work Phone Area code should have 3 digits !!");
					owphone1.focus();
					return false;
				}
				else if (numCheck(trim(owphone1.value)) == false){
					alert("Work Phone Area code entered is not a numeric value !!");
					owphone1.focus();
					return false;
				}
				else if (trim(owphone2.value).length != 3){
					alert("Work Phone 2nd part should have 3 digits !!");
					owphone2.focus();
					return false;
				}
				else if (numCheck(trim(owphone2.value)) == false){
					alert("Work Phone 2nd part entered is not a numeric value !!");
					owphone2.focus();
					return false;
				}
				else if (trim(owphone3.value).length != 4){
					alert("Work Phone last part should have 4 digits !!");
					owphone3.focus();
					return false;
				}
				else if (numCheck(trim(owphone3.value)) == false){
					alert("Work Phone last part entered is not a numeric value !!");
					owphone3.focus();
					return false;
				}
			}
			else{
				return true;
			}
		}
		else {
			return true;
		}
	}