// JavaScript Document



function validatephone(phone) {

	 var maintainplus = '';

 	var numval = phone.value

 	if ( numval.charAt(0)=='+' ){ var maintainplus = '+';}

 	curphonevar = numval.replace(/[\\A-Za-z!"£$%^&*+_={};:'@#~,.¦\/<>?|`¬\]\[]/g,'');

 	phone.value = maintainplus + curphonevar;

 	var maintainplus = '';

 	phone.focus;

}



function contact_validation(contact_form)

{



	if(contact_form.full_name.value=="")

	{

		alert("Please enter your full name");

		contact_form.full_name.focus();

		return false;

	}
	
	
	
	if(contact_form.company.value=="")

	{

		alert("Please enter your company name");

		contact_form.company.focus();

		return false;

	}


	

	if(contact_form.mobile.value=="")

	{

		alert("Please enter your mobile number");

		contact_form.mobile.focus();

		return false;

	}
	
		if(contact_form.telephone.value=="")

	{

		alert("Please enter your telephone number");

		contact_form.telephone.focus();

		return false;

	}

	

	

	

	var emailStr=contact_form.email.value

	var emailPat=/^(.+)@(.+)$/

	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"

	var validChars="\[^\\s" + specialChars + "\]"

	var quotedUser="(\"[^\"]*\")"

	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/

	var atom=validChars + '+'

	var word="(" + atom + "|" + quotedUser + ")"

	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")

	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")

	var matchArray=emailStr.match(emailPat)

	if (matchArray==null) {

		alert("Email address seems incorrect (check @ and .'s)")

		 contact_form.email.focus();

		return (false)

	}

	var user=matchArray[1]

	var domain=matchArray[2]

	if (user.match(userPat)==null) {

		alert("The username doesn't seem to be valid.")

		 contact_form.email.focus();

		return (false)

	}

	var IPArray=domain.match(ipDomainPat)

	if (IPArray!=null) {

		// this is an IP address

		  for (var i=1;i<=4;i++) {

			if (IPArray[i]>255) {

				alert("Destination IP address is invalid!")

				 contact_form.email.focus();

			return (false)

			}

		}

		return (true)

	}

	var domainArray=domain.match(domainPat)

	if (domainArray==null) {

		alert("The domain name doesn't seem to be valid.")

		 contact_form.email.focus();

		return (false)

	}

	var atomPat=new RegExp(atom,"g")

	var domArr=domain.match(atomPat)

	var len=domArr.length

	if (domArr[domArr.length-1].length<2 || 

		domArr[domArr.length-1].length>3) {

	   alert("The address must end in a three-letter domain, or two letter country.")

		contact_form.email.focus();

	   return (false)

	}

	if (len<2) {

	   var errStr="This address is missing a hostname!"

	   alert(errStr)

	   contact_form.email.focus();

	   return (false)

	}



  if(contact_form.subject.value=="")

	{

		alert("Please enter your subject");

		contact_form.subject.focus();

		return false;

	} 

	 if(contact_form.message.value=="")

	{

		alert("Please enter your message");

		contact_form.message.focus();

		return false;

	} 

		

return true;

}