// JavaScript Document
function showdata(id)
{
	if(id==1)
	{
		document.getElementById("datashow1").innerHTML="3M ESPE LAVA Accredited Laboratory";
		document.getElementById("datashow2").innerHTML="";
	}
	if(id==2)
	{
		document.getElementById("datashow1").innerHTML="";
		document.getElementById("datashow2").innerHTML="Dental Laboratories Association Limited - Registered Member";
	}
	if(id==3)
	{
		document.getElementById("datashow1").innerHTML="";
		document.getElementById("datashow2").innerHTML="ACE - Member of the All Ceramic Excellence Laboratory Group";
	}
	if(id==4)
	{
		document.getElementById("datashow1").innerHTML="";
		document.getElementById("datashow2").innerHTML="Straumann Approved Laboratory";
	}
}
function nodatashow()
{
		document.getElementById("datashow1").innerHTML="";
		document.getElementById("datashow2").innerHTML="";
}

function testSwap(img_id,image_src)
{	
	document.getElementById(img_id).src=image_src;
}
var win = null;
function newwindow(mypage,myname,w,h,features) {
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  if (winl < 0) winl = 0;
  if (wint < 0) wint = 0;
  var settings = 'height=' + h + ',';
  settings += 'width=' + w + ',';
  settings += 'top=' + wint + ',';
  settings += 'left=' + winl + ',';
  settings += features;
  win = window.open(mypage,myname,settings);
  win.window.focus();
}

function trim(str)
{
	return str.replace(/^\s*|\s*$/g,"");
}
  
function validateform()
{	
 	if(trim(document.emailfrm.txt_name.value)=="")
	{
		alert("Please enter your name.");
		document.emailfrm.txt_name.focus();
		return false;
	}
	if(trim(document.emailfrm.txt_address_1.value)=="")
	{
		alert("Please enter your address.");
		document.emailfrm.txt_address_1.focus();
		return false;
	}
	if(trim(document.emailfrm.txt_town.value)=="")
	{
		alert("Please enter your town/city.");
		document.emailfrm.txt_town.focus();
		return false;
	}
	if(trim(document.emailfrm.txt_county.value)=="")
	{
		alert("Please enter your country.");
		document.emailfrm.txt_county.focus();
		return false;
	}
	if(trim(document.emailfrm.txt_postcode.value)=="")
	{
		alert("Please enter postcode.");
		document.emailfrm.txt_postcode.focus();
		return false;
	}
	
	var rxp =/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})$/; 
	if (trim(document.emailfrm.txt_email.value)=="")
	 { 
	 	alert('Please enter the email address.');
	   document.emailfrm.txt_email.focus();
	   return false; 
	   } 
	   else if (rxp.test(document.emailfrm.txt_email.value)!=true) 
	   { 
	   alert("Please enter the valid email address.");
	    document.emailfrm.txt_email.focus();
		 return false; 
	}
	if(trim(document.emailfrm.txt_phone.value)=="")
	{
		alert("Please enter telephone number.");
		document.emailfrm.txt_phone.focus();
		return false;
	}
	if(trim(document.emailfrm.txt_comments.value)=="")
	{
		alert("Please enter your comments.");
		document.emailfrm.txt_comments.focus();
		return false;
	}
		 
	return true;
}