Error sintaxis

[Yengaman]

El script de java en cuestion es este:

var skype_injection_path = 'chrome://skype_ff_toolbar_win/content/';
var skype_tool = null;

/*window.addEventListener("click",skype_click_handl er,true);
function skype_click_handler(event)
{
if (skype_tool)
skype_tool.closemenu();
//HideSkypeMenuFull();
} */

//CALL BUTTON
var SkypeActiveCallButtonPart = 0;
function SkypeSetCallButtonPart(obj)
{
if (obj.getAttribute('id') == '__skype_highlight_id_left')
{
SkypeActiveCallButtonPart = 0;
}
else if (obj.getAttribute('id') == '__skype_highlight_id_right')
{
SkypeActiveCallButtonPart = 1;
}
}

function SkypeSetCallButton(obj, hl, isInternational, isFax)
{
var cb_part_l = null;
var cb_part_ml = null;
var cb_part_mr = null;
var cb_part_r = null;
if (obj.getAttribute('rtl') == 'false')
{
cb_part_l = obj.firstChild.firstChild;
cb_part_ml = obj.firstChild.lastChild;
cb_part_mr = obj.lastChild.firstChild;
cb_part_r = obj.lastChild.lastChild;

cb_flag = obj.firstChild.lastChild.firstChild;
if (cb_flag && cb_flag.isSameNode(obj.firstChild.firstChild.first Child) == true)
cb_flag = null;
}
else
{
cb_part_l = obj.lastChild.lastChild;
cb_part_ml = obj.lastChild.firstChild;
cb_part_mr = obj.firstChild.lastChild;
cb_part_r = obj.firstChild.firstChild;

cb_flag = obj.lastChild.firstChild.lastChild;
if (cb_flag && cb_flag.isSameNode(obj.lastChild.lastChild.lastChi ld) == true)
cb_flag = null;
}

if (hl == 1)
{
cb_part_l.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_mouseover_l.gif')";
if (cb_part_l.isSameNode(cb_part_ml) != true)
cb_part_ml.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_mouseover_m.gif')";
cb_part_mr.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_mouseover_m.gif')";


if (isInternational == "0")
{
if (SkypeActiveCallButtonPart == 0) //left
{
cb_part_r.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_mouseonflag_r"+(isFax?"_fax":"")+".gif')";
//shadow
if (cb_flag)
{
cb_flag.style.top = '1px';
cb_flag.style.left = '1px';
/*top right bottom left*/
cb_flag.style.padding = '1px 0px 0px 1px';//'2px 0px 0px 0px';
}
}
else //right
{
cb_part_r.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_mouseover_r"+(isFax?"_fax":"")+".gif')";
//flag
if (cb_flag)
{
cb_flag.style.top = '0px';
cb_flag.style.left = '0px';
cb_flag.style.padding = '0px 1px 1px 0px';//'0px 1px 1px 0px';
cb_flag.style.margin = '0px 0px 2px 0px;';
}
}
}
else
{
cb_part_r.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_mouseover_r"+(isFax?"_fax":"")+".gif')";
//flag
if (cb_flag)
{
cb_flag.style.top = '0px';
cb_flag.style.left = '0px';
cb_flag.style.padding = '0px 1px 1px 0px';
cb_flag.style.margin = '0px 0px 2px 0px;';
}
}
}
else
{
cb_part_l.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_normal_l.gif')";
if (cb_part_l.isSameNode(cb_part_ml) != true)
cb_part_ml.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_normal_m.gif')";
cb_part_mr.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_normal_m.gif')";
cb_part_r.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_normal_r"+(isFax?"_fax":"")+".gif')";

//flag
if (cb_flag)
{
cb_flag.style.top = '0px';
cb_flag.left = '0px';
cb_flag.style.padding = '0px 1px 1px 0px';
cb_flag.style.margin = '0px 0px 2px 0px;';
}
}
}
var skype_cb_l = '';
var skype_cb_m = '';
var skype_cb_r = '';

function SkypeSetCallButtonPressed(obj, pr, isInternational, isFax)
{
var cb_part_l = null;
var cb_part_ml = null;
var cb_part_mr = null;
var cb_part_r = null;
if (obj.getAttribute('rtl') == 'false')
{
cb_part_l = obj.firstChild.firstChild;
cb_part_ml = obj.firstChild.lastChild;
cb_part_mr = obj.lastChild.firstChild;
cb_part_r = obj.lastChild.lastChild;

cb_flag = obj.firstChild.lastChild.firstChild;
if (cb_flag && cb_flag.isSameNode(obj.firstChild.firstChild.first Child) == true)
cb_flag = null;
}
else
{
cb_part_l = obj.lastChild.lastChild;
cb_part_ml = obj.lastChild.firstChild;
cb_part_mr = obj.firstChild.lastChild;
cb_part_r = obj.firstChild.firstChild;

cb_flag = obj.lastChild.firstChild.lastChild;
if (cb_flag && cb_flag.isSameNode(obj.lastChild.lastChild.lastChi ld) == true)
cb_flag = null;
}
if (pr == 1)
{
skype_cb_l = cb_part_l.style.backgroundImage;//getAttribute('src');
skype_cb_m = cb_part_mr.style.backgroundImage;
skype_cb_r = cb_part_r.style.backgroundImage;//getAttribute('src');

if (isInternational == "0")
{
if (SkypeActiveCallButtonPart == 0) //left
{
//obj.firstChild.firstChild.setAttribute('src', 'chrome://skype_ff_toolbar_win/content/cb_down_l.gif');
cb_part_l.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_down_l.gif')";
if (cb_part_l.isSameNode(cb_part_ml) != true)
cb_part_ml.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_down_m.gif')";
}
else //right
{
//obj.firstChild.firstChild.setAttribute('src', 'chrome://skype_ff_toolbar_win/content/cb_down_l.gif');
cb_part_l.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_down_l.gif')";
if (cb_part_l.isSameNode(cb_part_ml) != true)
cb_part_ml.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_down_m.gif')";
cb_part_mr.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_down_m.gif')";
//obj.lastChild.lastChild.setAttribute('src', 'chrome://skype_ff_toolbar_win/content/cb_down_r"+(isFax?"_fax":"")+".gif');
cb_part_r.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_down_r"+(isFax?"_fax":"")+".gif')";
}
}
else
{
//obj.firstChild.firstChild.setAttribute('src', 'chrome://skype_ff_toolbar_win/content/cb_down_l.gif');
cb_part_l.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_down_l.gif')";
if (cb_part_l.isSameNode(cb_part_ml) != true)
cb_part_ml.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_down_m.gif')";
cb_part_mr.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_down_m.gif')";
//obj.lastChild.lastChild.setAttribute('src', 'chrome://skype_ff_toolbar_win/content/cb_down_r"+(isFax?"_fax":"")+".gif');
cb_part_r.style.backgroundImage = "url('chrome://skype_ff_toolbar_win/content/cb_down_r"+(isFax?"_fax":"")+".gif')";
}
}
else
{
//obj.firstChild.firstChild.setAttribute('src', skype_cb_l);
cb_part_l.style.backgroundImage = skype_cb_l;
if (cb_part_l.isSameNode(cb_part_ml) != true)
cb_part_ml.style.backgroundImage = skype_cb_m;
cb_part_mr.style.backgroundImage = skype_cb_m;
//obj.lastChild.lastChild.setAttribute('src', skype_cb_r);
cb_part_r.style.backgroundImage = skype_cb_r;
}
}