var tabvalue = getQueryVariable("tab");


--------------------------------------------------------------------------

function getQueryVariable(variable)
{
var query = window.location.search.substring(1);
var vars = query.split("&");
for (var i=0;i<vars.length;i++)
{
var pair = vars[i].split("=");
if (pair[0] == variable)
{
return pair[1];
}
}
}

I know all of us struggle when we are working in javascripts.
Many of us will use alert box to debug the javascripts.
But microsoft provides a debugging features in its VS products.
unfortunately none of us use this facility. use this facility and
enjoy working with JS wiht out any stess.

for that u need to do a single word
-------------------------------------------------

simply put the word 'debugger' inside ur JS thats all, now u can enjoy
the debugging facility.
u can enjoy how u put breakpoints in cs debugging, the same u can use
here too.

 eg)

<script language="javascript">
function SendAttach()
{
debugger
---
---
---

Note :
---------

Kindly ensure the disable script debugging checkbox remains unchecked.

To do
--------
IE--> Tools-->InternetOptions -->Advanced --> uncheck Disable Script
Debugging (Internet Explorer)
IE--> Tools-->InternetOptions -->Advanced --> uncheck Disable Script
Debugging (Otheres)