<!--// -----------------------------------------//                  trim// Trim leading/trailing whitespace off string// -----------------------------------------function trim(str){  return str.replace(/^\s+|\s+$/g, '')};// -----------------------------------------//                  validateEmail// Validates for correctness of email address// -----------------------------------------function validateEmail(field)   // true if required{  var tfld = trim(field.value);  // value of field with whitespace trimmed off  var email = /^[^@]+@[^@.]+\.[^@]*\w\w$/  if (!email.test(tfld))   {    return false;  }    return true;}// -----------------------------------------//                  validateForm// Validates all fields in the form// -----------------------------------------function validateForm4(){	var frm = document.tenantsreg		//Validate Min Beds field	if(trim(frm.Minbeds.value)=='')	{		alert('Please a number of minimum bedrooms.');		frm.Name.focus();		return false;	}		//Validate Min Rent field	if(trim(frm.Minrent.value)=='')	{		alert('Please a figure for minimum rent.');		frm.Minrent.focus();		return false;	}		//Validate Max Rent field	if(trim(frm.Maxrent.value)=='')	{		alert('Please provide a figure for maximum rent.');		frm.Maxrent.focus();		return false;	}		//Validate tenantsrelationship field	if(trim(frm.Tenantsrelationship.value)=='')	{		alert('Please explain your tenant relationship.');		frm.Tenantsrelationship.focus();		return false;	}		//Validate title field	if(trim(frm.Namedrop.value)=='')	{		alert('Please provide your title.');		frm.Namedrop.focus();		return false;	}		//Validate name field	if(trim(frm.Name.value)=='')	{		alert('Please provide your name.');		frm.Name.focus();		return false;	}			//Validate address1 field	if(trim(frm.Address1.value)=='')	{		alert('Please provide line one of your address.');		frm.Address1.focus();		return false;	}				//Validate address2 field	if(trim(frm.Address2.value)=='')	{		alert('Please provide line two of your address.');		frm.Address2.focus();		return false;	}				//Validate postcode field	if(trim(frm.Postcode.value)=='')	{		alert('Please provide your postcode.');		frm.Postcode.focus();		return false;	}			//Validate phone field	if(trim(frm.Phone.value)=='')	{		alert('Please your current phone number.');		frm.Phone.focus();		return false;	}		//Email validate	if(trim(frm.Email.value)=='')	{		alert('Please provide your email address.');		frm.Email.focus();		return false;	}			//Validate email exists.	if(trim(frm.Email.value)=='')	{		alert('Please provide a valid email address.');		frm.Email.focus();		return false;	}		//Validate email is valid.	if(!validateEmail(frm.Email))	{		alert('The email address provided is not valid.');		frm.Email.focus();		return false;	}			return true;}//-->