Код:
<!--Убрать двоеточие-->
<script type="text/javascript">
var fld = document.getElementsByTagName("li");
for(i in fld) {
if ((fld[i].className == "pa-fld1") || (fld[i].className == "pa-fld2") || (fld[i].className == "pa-fld3") || (fld[i].className == "pa-fld4") || (fld[i].className == "pa-fld5"))
fld[i].innerHTML = fld[i].innerHTML.substr(0,fld[i].innerHTML.indexOf(":")) + fld[i].innerHTML.substr(fld[i].innerHTML.indexOf(":")+1); 
}
</script>