function trim(s) {
  if (s.value>0)
  {
  while (s.substring(0,1) == ' ') {
    s = s.substring(1,s.length);
  }
  while (s.substring(s.length-1,s.length) == ' ') {
    s = s.substring(0,s.length-1);
  }
  }
  return s;
}

function isValidEmail(str) {

   return (str.indexOf(".") > 0) && (str.indexOf("@") > 0);
 

}


// determine if variable is array
function isArray(a) {
	if (typeof a == 'object') {  
		var match = a.constructor.toString().match(/array/i); 
		return (match != null);
	}
	return false;
}

function process_login()
{
   myerror=0;
   myerrormsg="";
   myerrormsg='Please provide:\n';


   if (trim(document.frm.f_email.value)=='')
   {
	  myerror=1;
	  myerrormsg=myerrormsg+' -Login Email Address\n';
   }
   else
   {
      if (isValidEmail(document.frm.f_email.value)==false)   
	  {
		 myerror=1;
	     myerrormsg=myerrormsg+' -Login Email Address (A Valid one)\n';
		  
	  }
   }
   if (trim(document.frm.f_password.value)=='')
   {
	  myerror=1;
	  myerrormsg=myerrormsg+' -Password\n';
   }
   
   if (myerror==1)
   {
      alert(myerrormsg);
      return false;
   }
   else
   {
      return true;
   }
}

function clearsearch ()
{
   var x=document.frmsearch.searchterms.value;
   if (x=='Click here to search')
   {
	  document.frmsearch.searchterms.value='';   
   }
}
function process_search()
{
   myerror=0;
   myerrormsg="";
   myerrormsg='Please provide:\n';


   if (trim(document.frmsearch.searchterms.value)=='')
   {
	  myerror=1;
	  myerrormsg=myerrormsg+' -A Search Term\n';
   }
   if (trim(document.frmsearch.searchterms.value)=='Click here to search')
   {
	  myerror=1;
	  myerrormsg=myerrormsg+' -A Search Term\n';
   }
   if (myerror==1)
   {
      alert(myerrormsg);
      return false;
   }
   else
   {
      return true;
   }
}