function trim(s)
{
return s.replace(/^\s+|\s+$/g,"");
}
function ltrim()
{
return s.replace(/^\s+/,"");
}
function rtrim(s)
{
return s.replace(/\s+$/,"");
}
function split(s,by)
{
var arr=new Array();
var x=s.indexOf(by);
var arrdex=0;
while(x>=0)
{
var ss=s.substr(0,x);
arr[arrdex++]=ss;
s=s.substr(x+1);
x=s.indexOf(by);
}
if(s.length>0)
arr[arrdex]=s;
return arr;
}
function splittrim(s,by)
{
var arr=split(s,by);
for(var x=0;x<arr.length;x++)
arr[x]=trim(arr[x]);
return arr;
}
function splittrimnoempty(s,by)
{
var arr=splittrim(s,by);
for(var x=0;x<arr.length;x++)
arr[x]=trim(arr[x]);
var arr2=new Array();
var arr2dex=0;
for(var x=0;x<arr.length;x++)
if(arr[x].length>0)
arr2[arr2dex++]=arr[x];
return arr2;
}
