Probably a simple Apache2 html/php root links question

Question

Alright I need some basic help here...
I remember awhile back ago I could use / to specify the root of the web server in a php file. So say I wanted to link to an image at /wwwroot/images/image.gif from an index.php file in /wwwroot/pages/stuff/index.php, all I needed was
<img src="/wwwroot/images/image.gif">
vs.
<img src="http://website.com/wwwroot/images/image.gif">.
The top old method does not seem to work anymore, the image isn't found unless I do a complete URL link. I tried googling for this but its not coming up with anything relevant to my question. Is there an option in the httpd.conf file, or a different character instead of /?
Thanks for any help 

Answer 1

Actually, OP wants to set opacity for non-disabled items Also, if you use jQuery you also don't need to use this "each"-construction as that is totally unnecessary. You can simply chain the "css" part to the returned array, like this
$('input.popup_lov:not(:disabled)').css('opacity','100');
I don't think you need to use jQuery here though. You can use css to override the default style by using that selector and adapting it to your theme or adding important to the rule.
Eggsample:
In theme 24 the opacity is set to 0.75 through this rule (note: formlayout for the region template):
table.formlayout td.lov input.popup_lov
To override this style you would need a selector that has more specificity ("weight") than this selector. Eg
table.formlayout td.lov input.popup_lov:not(:disabled)
Or in this case I'd say that using !important can be feasible as that'll cover the use of the popup lov everywhere.
input.popup_lov:not(:disabled){
opacity: 1 !important;