function validate_FG(x) {
			
		var e = "";
		var r = true;		
		
		if((x.txtEmail.value == "") || (x.txtEmail.value.indexOf('@', 0) == -1) || (x.txtEmail.value.indexOf('.', 0) == -1)) {
			e += "\nPlease enter valid EMAIL ID";
			r = false;		
		}		
		if(r == false) {
			alert("The following must be completed first:\n"+e);
			}
		return r;
	}

function validate_SI(x) {
		
			
		// here is where you may wish to include more sophisticated checking, particularly of the email address.
		var e = "";
		var r = true;		
				
		if(x.txtUsername.value == "") {
			e += "\nPlease enter a USER NAME";
			r = false;		
		}		
		if (x.txtPassword.value == ""){
			e += "\nPlease enter a PASSWORD";
			r = false;		
		}		
		if(r == false) {
			alert("The following must be completed first:\n"+e);
			}
		return r;
	}