function signupformCheck(formobj){
        // Enter name of mandatory fields
        var fieldRequired = Array("firstname", "lastname" , "email");
        // Enter field description to appear in the dialog box
        var fieldDescription = Array("First Name",  "Last Name",  "Email Id");
        // dialog message
        var alertMsg = "Please complete the following fields:\n";
        
        var l_Msg = alertMsg.length;
        
        for (var i = 0; i < fieldRequired.length; i++){
            var obj = formobj.elements[fieldRequired[i]];
            if (obj)
			{
                switch(obj.type)
				{
                	case "text":
						if (obj.value == "" || obj.value == null){
							alertMsg += " - " + fieldDescription[i] + "\n";
						}
						break;
               		default:
                }
            }
        }
    
        if (alertMsg.length == l_Msg){
            return true;
        }else{
            alert(alertMsg);
            return false;
        }
    }