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The problem is that the back button solution does not work with Firefox.
MOre generally, the back button problem seems endemic to some browsers and there doesn't seem to be a good solution.
Anyone have experience with this, or able to accomplish the same thing with a different technique?
[edited by: BlobFisk at 1:54 pm (utc) on June 29, 2004]
[edit reason] Fixed link [/edit]
You can accomplish this with the likes of Java Applets, Flash, ActiveX plugins etc. But iFrames are the easiest way to do this.
Additionally, gmail uses it, so those browsers that are behind the times (ie, Opera) will most likely catch up soon.
var oRsElm = document.createElement("script");
oRsElm.src = "myasp.asp?param=" + sValue;
Works fine in IE5+ and should work in Mozilla etc.
The main limitation is that you can only use the GET protocol and therefore are limited in the amount of data you can send to the server. It can also be a little difficult to debug.