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Date Validation - Can't enter date in the past

Posted on 2007-12-05
2
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Last Modified: 2011-09-20
Hi, I'm trying to validate my date field so that if a user puts a date in the past, an alert pops up. I'm currently using this script:

var now = new Date().getTime();
var generatedDate = Date.parse(form1.seminarsDate.value); // assuming a valid date format mm/dd/yyyy
if(document.form1.seminarsDate.value==""){
      alert("Please enter a Date");
      document.form1.seminarsDate.focus();
return false;
}
else if (now>generatedDate) {
      alert('Please enter a date that is not in the past!');
      form1.seminarsDate.focus();
return false;
}
return true

This works great, but the only problem is I need it for the UK, i.e. using DD/MM/YYYY and not MM/DD/YYYY as this script uses.

Any ideas?

Many thanks

Chris
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Question by:djfenom
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duckets earned 500 total points
Comment Utility

Try replacing your second line of code with the following lines attached below. They break apart the string (using the slash symbol as the delimiter), and create a new date object based on the assumed DD/MM/YYYY order of the elements. Note the 'month' has a -1 appended to it, because when creating a date object, months are specified in the range 0-11!


// assumes an input in the UK format: DD/MM/YYY

dateElements = form1.seminarsDate.value.split("/");

var generatedDate = new Date(dateElements [2],dateElements [1]-1,dateElements [0]); 

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Author Comment

by:djfenom
Comment Utility
Excellent, knew it would be simple!

Thanks.
0

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