function CheckValidate(form){
  if (document.getElementById('txtMailId').value=='' || document.getElementById('txtMailId').value=='--Email Address--') {alert('Please fill in your email address'); document.getElementById('txtMailId').focus(); return false}
  if (!CheckEmail(document.getElementById('txtMailId').value)) {alert('Invalid email address'); document.getElementById('txtMailId').focus(); return false}
  return true;
}
function changecolor1()
{
  document.getElementById('menulft').style.background='url(/images/gleft1.gif) no-repeat 0 0';
}

function changecolor2()
{
  document.getElementById('menulft').style.background='url(/images/bleft1.gif) no-repeat 0 0';
}




function isNumberKey(evt)
  {
  
     var charCode = (evt.which) ? evt.which : event.keyCode    
     if(charCode==8 || charCode==32) //for back space allow
     {
        
     }
     else
     {
         if ((charCode < 48 || charCode > 57) )
         {
           return false;
         }
     }
  
         
     return true;
  }




function contactus(form){
		if (form.subject.value=='') {alert('Please select one subject'); form.subject.focus(); return false}
		if (form.message.value=='') {alert('Please fill in message'); form.message.focus(); return false}
		if (form.name.value=='') {alert('Please enter your name'); form.name.focus(); return false}
		if (form.telephone.value=='') {alert('Please fill in your contact telephone number'); form.telephone.focus(); return false}
		if (form.postcode.value=='') {alert('Please enter your postcode'); form.postcode.focus(); return false}
		if (form.emailaddress.value=='') {alert('Please fill in your email address'); form.emailaddress.focus(); return false}
		if (!CheckEmail(form.emailaddress.value)) {alert('Invalid email address'); form.emailaddress.focus(); return false}
		if (form.responsepreference.value=='') {alert('Please select one response preference'); form.responsepreference.focus(); return false}
		
		return true;
		}





function CheckEmail(address) 
{
  if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(address))
  {
	return (true)
  }
	return (false)
}






function quoteus(form){
		if (form.name.value=='') {alert('Please enter your name'); form.name.focus(); return false}
		if (form.emailaddress.value=='') {alert('Please fill in your email address'); form.emailaddress.focus(); return false}
		if (!CheckEmail(form.emailaddress.value)) {alert('Invalid email address'); form.emailaddress.focus(); return false}
		if (form.telephone.value=='') {alert('Please enter your contact telephone number'); form.telephone.focus(); return false}
		if (form.postcode.value=='') {alert('Please enter your postcode'); form.postcode.focus(); return false}
		return true;
		}