function allnumeric(inputtxt) { var numbers = /^[0-9]+$/; // For count_network if(inputtxt.count_network.value.match(numbers) && inputtxt.count_memory.value.match(numbers) && inputtxt.count_hdd.value.match(numbers)) { alert('Your Registration number has accepted....'); inputtxt.count_network.focus(); return true; }

Customer name:  



Address:
           

Payment Choices

    Visa


    MasterCard


    AmericanExpress



Enter quantity :-



List-Memory Upgrade :-




List-HDD Upgrade :-

List- Network Upgrade :-

When validating these errors occur -

Warning: The preferred Content-Type for XHTML5 is application/xhtml+xml. The Content-Type was application/octet-stream.

Error: Unnamespaced element html not allowed in this context. (Suppressing further errors from this subtree.)

From line 1, column 16; to line 2, column 6

TYPE html>↩↩

Fatal Error: name expected

At line 11, column 55

match(numbers) && inputtxt.cou

Please fix these errors and update it.