Javascript 'check all'.... with a twist (help, please)

[Baron58]

OK, here's a tough one for you.

There's a website where you can search for data on businesses meeting whatever criteria (say, Apple Stores in zip code 90210, for example). The results are returned on a web page in a long list, with a checkbox by each. You can download the results as a .csv file, but the catch is that you have to click the checkbox by each line that you want to download. That wouldn't be a big deal if there were simply a 'check all' button, but there isn't one...... so if a person is downloading thousands of records, that is thousands of checkboxes that have to be clicked one-by-one.

There are plenty of examples of how to add a 'check all' button to a page (like http://javascript.internet.com/buttons/check-all.html), but obviously I have no control over how that website works. I just need to find a user-side solution.

I know it's possible to execute javascript directly from the browser address bar, like this:

javascript:alert ('Hello, world!');

I'm really hoping that there is a way to do this to let the user 'check all' of the thousands of records in one step. I tried this, but it didn't work (I know diddley about javascript, as you can see):

javascript:
var checkflag = "false";
function check(field) {
if (checkflag == "false") {
for (i = 0; i < field.length; i++) {
field[i].checked = true;}
checkflag = "true"; }
}

Can anyone help me make this happen?

Thank you in advance.

Edit: What made me think of it was this javascript trick - paste this in your browser address bar and hit 'enter':

javascript:R=0; x1=.1; y1=.05; x2=.25; y2=.24; x3=1.6; y3=.24; x4=300; y4=200; x5=300; y5=200; DI=document.getElementsByTagName("img"); DIL=DI.length; function A(){for(i=0; i-DIL; i++){DIS=DI[ i ].style; DIS.position='absolute'; DIS.left=(Math.sin(R*x1+i*x2+x3)*x4+x5)+"px"; DIS.top=(Math.cos(R*y1+i*y2+y3)*y4+y5)+"px"}R++}setInterval('A()',5); void(0);

 

[CoreWeb]

I couldn't help for sure without seeing the page. But here is something which should check all checkboxes on a page:

javascript:var inputs=document.getElementsByTagName('input');for (var i = 0; i<inputs.length; i++){if (inputs[i].type=='checkbox') inputs[i].setAttribute('checked','checked'); }

Keep in mind though that this should check ALL checkboxes on the page, not just the area you want. This may or may not cause problems.

 

[angelneo]

There's some firefox addon (if you are using it), that allows you to inject javascript code. I think it's called Greasemonkey.