function strPalikti(input,leave,sep)
{
	var t, res = ''
	var inputArr = input.split(sep)
	var leaveArr = leave.split(sep)
	for (var i=0; i<leaveArr.length; i++)
	{
		if (leaveArr[i]=='') continue
		if (arrSearch(inputArr,leaveArr[i]))
		{
			t = res==''?'':sep
			res += t + leaveArr[i]
		}
	}
	return res
}