function checkSearchValid()
{
	if(Search_Trim(document.frmsearch.keyword.value) == "" || Search_Trim(document.frmsearch.keyword.value) == "enter your keyword here")
	{
		TB_show("Search","#TB_inline?height=90&width=450&inlineId=searchrecord","");
		return false;		
	}	
}

function Search_Trim(s)
{
  // Remove leading spaces and carriage returns
  
  while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
  {
    s = s.substring(1,s.length);
  }

  // Remove trailing spaces and carriage returns

  while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
  {
    s = s.substring(0,s.length-1);
  }
  return s;
}