function changePassword(winTitle, winPage, winHeight, winWidth)
{	var fieldName = 'UserID';
	var userName = document.forms["EntryForm"].elements[fieldName].value;
	userName = userName.toUpperCase();
	//Check User Id has been entered on the Opening page and is not Public
	if (userName == "PUBLIC") 
		{alert("Changing the password for user Public is not permitted.");}
	else 
		{if (userName != null && userName != "") 
			{popUp(winTitle, winPage, winHeight, winWidth, document.forms["EntryForm"].elements[fieldName].value);}
		 else 
			{alert("Please enter UserID before attempting to change password.");}
		}
}