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Jan 03.2008

I’m trying to make the tipical form in which you choose a continent, then a country, etc… I would like to connect the two list, so if you choose a continent, then the proper countries are given. I can do it in PHP combined with a jump menu, but it will reload the whole page… It should be a way to reload only the options, like using ajax…
Any examples or hints?

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JavaScript

5 Comments(s) ↴

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@mrhooJan 03.2008 — There are not enough different countries to make it efficient to download separate files by continent for a menu- I have a Countries object which has seven continent arrays. Choosing a continent in one menu fills the next with that member's array text and value.
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@PerfidusauthorJan 03.2008 — The fact is that it was just an example, I'm working with "Provincias" which is the political division for Spain, and each "provincia" has a hundred towns or more, so the javascript must contact a PHP to check a database and return the results. My explanation wasn't any good but I'm currently fuc&%$ with a flu... Sorry. My brain feels like s%&$"...
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@mrhooJan 03.2008 — You can use ajax to call a php script with a GET that specifies the search,

something like-

[CODE]function getCityList(str){
ajax= // xmlHttpRequest object
var url= "getcities.php"+"?q="+str; // add a tail to the php page
ajax.onreadystatechange= // the function that fills the city menu from the response text
ajax.open("GET",url,true)
ajax.send(null)
}[/CODE]
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@PerfidusauthorJan 03.2008 — That sounds exactly as the thing I need, I'm trying to write the function for filling the new list, but I'm not really good at javascript, some hints will be very wellcome !! ?
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@ZeroKilledJan 04.2008 — this sound like a recent thread concerning to fill a select box with retrieved option from ajax response. follow the link http://www.webdeveloper.com/forum/showthread.php?t=169658
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