function validate() {
	return true;
}

function hasErrors(errors) {
   	if(errors.length) {
   		reportErrors(errors);
   		return false;
   	} else {
   		return true	
   	}		
}


function reportErrors(errors) {
	var str = 'The following form errors were found:\n\n'
	for(var i=0; i<errors.length; i++) {
		str += '- ' + errors[i] + '\n';
	}
	alert(str);
}

// custom trim function
function trim(str) {
   return str.replace(/^\s+|\s+$/g,'');
}

// validate length of string 
function validateLength(str) {
    if(trim(str) == '') {
        return false;
     } else {
        return true;     
     }
 }


// Email Validation Javascript
// copyright 23rd March 2003, by Stephen Chapman, Felgall Pty Ltd

// You have permission to copy and use this javascript provided that
// the content of the script is not changed in any way.

function validateEmail(addr) {
    var invalidChars = '\/\'\\ ";:?!()[]\{\}^|';
    for (i=0; i<invalidChars.length; i++) {
       if (addr.indexOf(invalidChars.charAt(i),0) > -1) {
    	  alert('email address contains invalid characters');
    	  return false;
       }
    }
    for (i=0; i<addr.length; i++) {
       if (addr.charCodeAt(i)>127) {
    	  alert("email address contains non ascii characters.");
    	  return false;
       }
    }
    
    var atPos = addr.indexOf('@',0);
    if (atPos == -1) {
       alert('email address must contain an @'); 
       return false;
    }
    if (atPos == 0) {
       alert('email address must not start with @');
       return false;
    }
    if (addr.indexOf('@', atPos + 1) > - 1) {
       alert('email address must contain only one @');
       return false;
    }
    if (addr.indexOf('.', atPos) == -1) {
       alert('email address must contain a period in the domain name');
       return false;
    }
    if (addr.indexOf('@.',0) != -1) {
       alert('period must not immediately follow @ in email address');
       return false;
    }
    if (addr.indexOf('.@',0) != -1){
       alert('period must not immediately precede @ in email address');
       return false;
    }
    if (addr.indexOf('..',0) != -1) {
       alert('two periods must not be adjacent in email address');
       return false;
    }
    var suffix = addr.substring(addr.lastIndexOf('.')+1);
    if (suffix.length != 2 && suffix != 'com' && suffix != 'net' && suffix != 'org' && suffix != 'edu' && suffix != 'int' && suffix != 'mil' && suffix != 'gov' & suffix != 'arpa' && suffix != 'biz' && suffix != 'aero' && suffix != 'name' && suffix != 'coop' && suffix != 'info' && suffix != 'pro' && suffix != 'museum') {
       alert('invalid primary domain in email address');
       return false;
    }
    return true;
}		




function isEmail(addr) {
    var invalidChars = '\/\'\\ ";:?!()[]\{\}^|';
    for (i=0; i<invalidChars.length; i++) {
       if (addr.indexOf(invalidChars.charAt(i),0) > -1) {
    	  return false;
       }
    }
    for (i=0; i<addr.length; i++) {
       if (addr.charCodeAt(i)>127) {
    	  return false;
       }
    }
    
    var atPos = addr.indexOf('@',0);
    if (atPos == -1) {
       return false;
    }
    if (atPos == 0) {
       return false;
    }
    if (addr.indexOf('@', atPos + 1) > - 1) {
       return false;
    }
    if (addr.indexOf('.', atPos) == -1) {
       return false;
    }
    if (addr.indexOf('@.',0) != -1) {
       return false;
    }
    if (addr.indexOf('.@',0) != -1){
       return false;
    }
    if (addr.indexOf('..',0) != -1) {
       return false;
    }
    var suffix = addr.substring(addr.lastIndexOf('.')+1);
    if (suffix.length != 2 && suffix != 'com' && suffix != 'net' && suffix != 'org' && suffix != 'edu' && suffix != 'int' && suffix != 'mil' && suffix != 'gov' & suffix != 'arpa' && suffix != 'biz' && suffix != 'aero' && suffix != 'name' && suffix != 'coop' && suffix != 'info' && suffix != 'pro' && suffix != 'museum') {
       return false;
    }
    return true;
}


function isInteger (s)
   {
      var i;

      if (isEmpty(s))
      if (isInteger.arguments.length == 1) return 0;
      else return (isInteger.arguments[1] == true);

      for (i = 0; i < s.length; i++)
      {
         var c = s.charAt(i);

         if (!isDigit(c)) return false;
      }

      return true;
   }

   function isEmpty(s)
   {
      return ((s == null) || (s.length == 0))
   }

   function isDigit (c)
   {
      return ((c >= "0") && (c <= "9"))
   }