Passing value from javascript function to servlet

Hello everybody,
i need to pass parameter from javascript function to servlet.
what i wrote is :
function callPopulateServlet(t)
var h =document.NewRequest.services;
var y = t.selectedIndex;
alert(h.options[y].value);
var id=h.options[y].value;
<%session.setAttribute("id",id);%> // am getting error at this point
document.NewRequest.submit();
with this id am quering values from database through servlet.
any body knows plz help me.
thanks,
anil.

this is the error am getting
Stacktrace:
     org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:85)
     org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)
     org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:435)
     org.apache.jasper.compiler.Compiler.compile(Compiler.java:298)
     org.apache.jasper.compiler.Compiler.compile(Compiler.java:277)
     org.apache.jasper.compiler.Compiler.compile(Compiler.java:265)
     org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:564)
     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:299)
     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

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Hi,
Coul'd You help me?
I have a test form. I open new JavaScript window from this form. I generate list of authors in this window by the procedure show_list. I want to pass value from JavaScript window back to test form, but
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-------------- test form --------------
<HTML>
<HEAD>
<META http-equiv="Content-Type" content="text/html; charset=windows-1250">
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</SCRIPT>
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procedure show_list
startPg integer,
master_fld varchar2,
show_fld varchar2,
ownr varchar2,
tbl_name varchar2,
cmd_qry varchar2,
idx_form integer,
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is
TYPE cur_typ IS REF CURSOR;
c cur_typ;
c_cnt cur_typ;
i integer;
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odkaz varchar2(4000);
bk_url varchar2(4000);
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Hi,
I am a middle school teacher and a newbie in Flash Actionscript. I am trying to create a countdown timer for use in my class during tests. The start and pause functions work as required, but not the pause button. When I click on the pause button, the timer is reset to 0:00:00. Please help. Here is the code I had written so far:
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if (SubjectxdurationHr_txt.length == 1)
Selection.setFocus(SubjectxdurationMin_txt);
function SubjectdurationMin(SubjectxdurationMin_txt, SubjectxdurationSec_txt)
if (SubjectxdurationMin_txt.length == 2)
Selection.setFocus(SubjectxdurationSec_txt);
function SubjectdurationSec(SubjectxdurationSec_txt, SubjectxdurationHr_txt)
if (SubjectxdurationSec_txt.length == 2)
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SubjectdurationHr(Subject1durationHr_txt,Subject1durationMin_txt);
Subject1durationMin_txt.onChanged = function()
SubjectdurationMin(Subject1durationMin_txt,Subject1durationSec_txt);
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SubjectxtimeLeftHr_txt.text = "0" + SubjectxtimeLeftHr_txt.text;
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SubjectxtimeLeftHr_txt.text = "";
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SubjectxdurationSec_txt.text = "00";
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Subjectxstart_btn._visible = true;
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delete Subjectxtimer_mc.onEnterFrame;
SubjectxdurationHr_txt.text = String(SubjectxtimeLeftHr);
SubjectxdurationMin_txt.text = String(SubjectxtimeLeftMin);
SubjectxdurationSec_txt.text = String(SubjectxtimeLeftSec);
Subjectxstart_btn._visible = true;
Subjectxpause_btn._visible = false;
Subjectxrotor_mc.stop();
Subject1pause_btn.onRelease = function()
pausecountdown(Subject1durationHr_txt,Subject1timeLeftHr,Subject1durationMin_txt,Subject1t imeLeftMin,Subject1durationSec_txt,Subject1timeLeftSec,Subject1start_btn,Subject1pause_btn ,Subject1rotor_mc);
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startcountdown(Subject1durationLeft,Subject1durationHr,Subject1durationHr_txt,Subject1dura tionMin,Subject1durationMin_txt,Subject1durationSec,Subject1durationSec_txt,Subject1durati on,Subject1startTime,Subject1endTime,Subject1timer_mc,Subject1pause_btn,Subject1start_btn, Subject1rotor_mc,Subject1timeLeft,Subject1timeLeftHr,Subject1timeLeftMin,Subject1timeLeftS ec,Subject1timeLeftHr_txt,Subject1timeLeftMin_txt,Subject1timeLeftSec_txt);
Subject1cancel_btn.onRelease = function()
Subject1timeLeftHr_txt.text = "";
Subject1timeLeftMin_txt.text = "";
Subject1timeLeftSec_txt.text = "";
Subject1durationHr_txt._visible = true;
Subject1durationMin_txt._visible = true;
Subject1durationSec_txt._visible = true;
Subject1durationHr_txt.text = "0";
Subject1durationMin_txt.text = "00";
Subject1durationSec_txt.text = "00";
Subject1timeLeftHr_txt._visible = true;
Subject1timeLeftMin_txt._visible = true;
Subject1timeLeftSec_txt._visible = true;
Subject1pause_btn._visible = false;
Subject1start_btn._visible = true;
Subject1rotor_mc._visible = false;
Subject1rotor_mc.gotoAndStop(1);
delete Subject1timer_mc.onEnterFrame;
delete Subject1durationLeft;
delete Subject1duration;
delete Subject1durationHr_txt.text;
delete Subject1durationMin_txt.text;
delete Subject1durationSec_txt.text;

I think you need to spend some time reducing your code to practical levels. You seem to be passing everything in the book to every function and I would guess that probably none of it is necessary. If you declared those variables at the beginning, then you don't need to pass them into any function because they are gobally available to any of the code/functions that follows them. Similarly, if you have textfields on the stage, you do not need to pass those into any functions for the same reason.
I see you making overuse of "delete" (and possibly errant use as well). Probably the only thing you might want/need to use is...
delete Subjectxtimer_mc.onEnterFrame;
Which stops the enterframe activity from firing off, which I will guess is being used to update the textfields that indicate the time.
And that conditional that uses == Nan isn't likely to do anything except wonder what an Nan is. Textfields hold strings, which are quoted. SO unless you have a variable named Nan somewhere that has a String value assigned to it, that conditional won't be doing anything for you. You probably won't need it at all if you get this working properly.

Passing value from Report Column to Javascript

Dear Apex wizards,
I am a bit stuck right now with implementing a modal pop-up/iframe/javascript and this forum is my last hope to fix this issue.
Anyway, will try to explain what I am trying to accomplish.
What I need is: I want to have an SQL report, as a very first column I want to have an "ID" numbers from my table and I want this column to have a "Column Link" set in "Column Attributes" proper ties. The trick is, that when I click on the column link (when I run my report on Apex page) I need a JQuery modal window to pop-up where in IFrame will be another page and this page will use an "ID" from my column link URL to display data. So, basically I want to pass an "ID" value from my parent page to my child page which is displayed in iFrame of modal window.
And here is what I have:
1. I do have an SQL report:
select SUBNET_ID,
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4. And here I am getting confused, basically I have to pass a value of javascript:ViewNetworkDetails(#SUBNET_ID#);, which seems to work as it gives me correct numbers from my table, to my "ViewNetworkDetails" JavaScript function, so it can paste this value into "f?p=........." iFrame URL. Below is my Jquery Modal form script and Javascript to redirect me to my popup page (the script is in HTML Header):
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HEEEEEEEEEEEEEELLLLLPPPP.
Thanks

Change your column link to send the subnet_id column's value to the function call (you mentioned it, but I m not sure if you actually did)
javascript:ViewNetworkDetails(#SUBNET_ID#);<u>You are passing the parameter value to the function, but not defined any parameters in the function definition</u>(this is possible in JS, any extra parameters is ignored)
So, modify the function to accept the subnet ID parameter(I am actually surprised how you missed this) and assign that parameter to variable.
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hello everybody,
Can anyone tell me how to return more than a single value from a function, the problem is i have 4 points,
2 points form one line ,another 2 points form 2nd line ,each point is 3 dimensional(x,y,z coorinates) so i will pass these values to func(x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4), i will find the point of intersecton of two lines and i will get it as x,y,z , now how to return these 3 coordinates,usually the function returns only one value, please help me to solve it out.
Thanks.

I think the easiest way or trick here is (easiest isn't always the best as we know, but atleast this one will work) to create simple data array. and pass that. Create an array with:
<code>
class justArray {
int x=0
int y=0;
int z= 0;
...somewhere
justArray[] points= new justArray[4];
points[0].x= ..
points[0].y= ..
points[0].z= ..
points[1].x= ..
return points[]
</code>

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http://labe.felk.cvut.cz/~xfaigl/mep/xml/java-xml.htm

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