if (navigator.platform)
					{
        				document.contact_form.clientsystem.value =(navigator.platform);
        				switch (navigator.platform)
        				{
                			case "Win32" : document.contact_form.clientsystem.value =("32-bit platform"); break;
                			case "Windows" : document.contact_form.clientsystem.value =("Windows 32-bit platform"); break;
                			case "Win16" : document.contact_form.clientsystem.value =("Windows 16-bit platform"); break;
                			case "WinCE" : document.contact_form.clientsystem.value =("Windows CE platform"); break;
                			default : document.contact_form.clientsystem.value =("Other platform"); break;
        				}
					}
				else
					{
        				document.contact_form.clientsystem.value =("Property not supported or blank!");
					}