phil_drew
01-17-2004, 09:07 AM
Hi,
I'm writting a page (haven't touched javascript in ages, so forgive me if i ask any stupid questions...) that will have a grid of images displayed in it.
The image sources are to be set as URLs pointing to a simple web server on one of my machines, eg. http://111.222.333.444/something1.gif etc.
I want each image, for example on mouse click, to check to see if the image at the URL is different from the one currently loaded.
The reason for this is that the images will be occasionally changed by a seperate program running on the host machine.
I'd rather avoid a page refresh, because I don't want to refresh all the images (trying to keep data transfer down for pocket PC)- only those that have changed. Or is that already a feature of update (I'm using MS PPC IE)?.
Also, I need a link to a good explaination of simple client - server custom message transfering, using javascript on the client side, and either java or c on the server side.
Hope you can help,
Cheers,
Phil
I'm writting a page (haven't touched javascript in ages, so forgive me if i ask any stupid questions...) that will have a grid of images displayed in it.
The image sources are to be set as URLs pointing to a simple web server on one of my machines, eg. http://111.222.333.444/something1.gif etc.
I want each image, for example on mouse click, to check to see if the image at the URL is different from the one currently loaded.
The reason for this is that the images will be occasionally changed by a seperate program running on the host machine.
I'd rather avoid a page refresh, because I don't want to refresh all the images (trying to keep data transfer down for pocket PC)- only those that have changed. Or is that already a feature of update (I'm using MS PPC IE)?.
Also, I need a link to a good explaination of simple client - server custom message transfering, using javascript on the client side, and either java or c on the server side.
Hope you can help,
Cheers,
Phil