function changeURLPar(destiny,
par, par_value)
{
var pattern =
par+'=([^&]*)';
var
replaceText = par+'='+par_value;
if
(destiny.match(pattern))
{
var tmp =
'/\\'+par+'=[^&]*/';
tmp =
destiny.replace(eval_r(tmp), replaceText);
return
(tmp);
}
else
{
if
(destiny.match('[\?]'))
{
return destiny+'&'+ replaceText;
}
else
{
return destiny+'?1=1&'+replaceText;
}
}
return
destiny+'\n'+par+'\n'+par_value;
}