//Function to trim the text field value.
	function trim(s)
  	{
   	  slen = s.length
   	  cnt = 0
      	  for(i=0;i<slen;i++)
   	  {
   	  	if(s.charAt(i) == " ")
   	  	    cnt++
   	  	else
   	  		break
   	  }

   	  if (cnt == slen)
   	  	return ""

   	  s = s.substring(cnt)

	  slen = s.length
   	  cnt = 0
   	  for(i=slen-1;i>=0;i--)
   	  {
   	  	if(s.charAt(i) == " ")
   	  		cnt++
   	  	else
   	  		break
   	  }
	  s = s.substring(0,slen-cnt)

     return s
	}