function deviceselect() {
	val =	document.forms[0].devselect.value;
	 document.poppedLayer = eval('document.getElementById("macaddress")');
 if (val != 'wcomputer' && val != 'nwcomputer') {
	document.poppedLayer.style.display = "inline";
 }
 else {
	document.poppedLayer.style.display = "none";
 }
 adduptotal();
}

function adduptotal() {
	var res = 10.00;
	if (document.forms[0].devselect.value == 'nwcomputer') {
		
	}
	document.forms[0].total.value = res;
	document.getElementById('totaldiv').innerHTML = res;
}

function makeemailaddress() {
		document.getElementById('emailaddressdiv').innerHTML = 'Your free email address will be:<b>' + document.forms[0].firstname.value + '.' + document.forms[0].lastname.value + '@lechladewifi.co.uk</b>' ;
}

function subcheckform() {
			var subsendform = false;
			if (document.forms[1].checktandc.checked == false) {
				alert('Your agreement to our terms and conditions is required');
			}
			else {
				subsendform = true;
				/*if (validateMacAddress(document.forms[0].os0.value) == false) {
					alert('Please neter a valid MAC Address');
					subsendform = false;
				}
				else {
					subsendform = true;
				}*/
			}

			if (subsendform == true) {
				document.forms[0].submit();
			}
}

function paycheckform() {
			var paysendform = false;
			if (document.forms[0].checktandc.checked == false) {
				alert('Your agreement to our terms and conditions is required');
			}
			else {
				paysendform = true;
				/*if (validateMacAddress(document.forms[0].os0.value) == false) {
					alert('Please neter a valid MAC Address');
					paysendform = false;
				}
				else {
					document.forms[1].on0.value = document.forms[0].os0.value;
					paysendform = true;
				}
				*/
			}

			if (paysendform == true) {
				document.forms[0].submit();
			}
}



function  validateMacAddress(macaddr) {
   var reg1 = /^[A-Fa-f0-9]{1,2}\-[A-Fa-f0-9]{1,2}\-[A-Fa-f0-9]{1,2}\-[A-Fa-f0-9]{1,2}\-[A-Fa-f0-9]{1,2}\-[A-Fa-f0-9]{1,2}$/;
   var reg2 = /^[A-Fa-f0-9]{1,2}\:[A-Fa-f0-9]{1,2}\:[A-Fa-f0-9]{1,2}\:[A-Fa-f0-9]{1,2}\:[A-Fa-f0-9]{1,2}\:[A-Fa-f0-9]{1,2}$/;
   if (reg1.test(macaddr)) {
      return true;
   }else if (reg2.test(macaddr)) {
      return true;
   } else {
      return false;
   }
}

function genemail(address) {
	//function to hide the email addresses from the site
	var mailto = 'mailto:'+address+'@lechladewifi.co.uk?subject=Web Site Enquiry';
	win = window.open(mailto,'emailWindow');
	if (win && win.open &&!win.closed) win.close(); 
}