function validEmail(emailId){
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   	var address = document.getElementById('emailId').value;
   	if(reg.test(address) == false) {
			alert("Invalid Email Address");
		  document.getElementById('emailId').focus();
		i=1;
      return false;
   }
   return true;
}
function checkEmail()
{

		var yourEmail=document.getElementById('emailId').value;
		if(yourEmail=='' || yourEmail=='Your email address')
			{
				alert("Please enter your emailId.");
				document.getElementById('emailId').focus();
				return false;
			}
			if(yourEmail!='')
			{
				var ret = validEmail('yourEmail');
					if( ret == false ){
						document.getElementById('emailId').focus();
						return false;
					}
			}
			else
			{
				return false;
			}

}
function showContact(ID)
{
		if(ID=='Head')
		{
			document.getElementById('Head').style.display='';
			document.getElementById('Polymouth').style.display='none';
			document.getElementById('Taunton').style.display='none';
			document.getElementById('Barnstaple').style.display='none';
			document.getElementById('Exeter').style.display='none';
			document.getElementById('London').style.display='none';
			document.getElementById('East').style.display='none';
		}
		
		if(ID=='East')
		{
			document.getElementById('East').style.display='';
			document.getElementById('London').style.display='none';
			document.getElementById('Head').style.display='none';
			document.getElementById('Exeter').style.display='none';
			document.getElementById('Barnstaple').style.display='none';
			document.getElementById('Taunton').style.display='none';
			document.getElementById('Polymouth').style.display='none';
		}
		if(ID=='London')
		{
			document.getElementById('London').style.display='';
			document.getElementById('East').style.display='none';
			document.getElementById('Head').style.display='none';
			document.getElementById('Exeter').style.display='none';
			document.getElementById('Barnstaple').style.display='none';
			document.getElementById('Taunton').style.display='none';
			document.getElementById('Polymouth').style.display='none';
		}
		if(ID=='Exeter')
		{
			document.getElementById('Exeter').style.display='';
			document.getElementById('London').style.display='none';
			document.getElementById('East').style.display='none';
			document.getElementById('Head').style.display='none';
			document.getElementById('Barnstaple').style.display='none';
			document.getElementById('Taunton').style.display='none';
			document.getElementById('Polymouth').style.display='none';
		}
		if(ID=='Barnstaple')
		{
			document.getElementById('Barnstaple').style.display='';
			document.getElementById('Exeter').style.display='none';
			document.getElementById('London').style.display='none';
			document.getElementById('East').style.display='none';
			document.getElementById('Head').style.display='none';
			document.getElementById('Taunton').style.display='none';
			document.getElementById('Polymouth').style.display='none';
		}
		if(ID=='Taunton')
		{
			document.getElementById('Taunton').style.display='';
			document.getElementById('Barnstaple').style.display='none';
			document.getElementById('Exeter').style.display='none';
			document.getElementById('London').style.display='none';
			document.getElementById('East').style.display='none';
			document.getElementById('Head').style.display='none';
			document.getElementById('Polymouth').style.display='none';
		}
		if(ID=='Polymouth')
		{
			document.getElementById('Polymouth').style.display='';
			document.getElementById('Taunton').style.display='none';
			document.getElementById('Barnstaple').style.display='none';
			document.getElementById('Exeter').style.display='none';
			document.getElementById('London').style.display='none';
			document.getElementById('East').style.display='none';
			document.getElementById('Head').style.display='none';
		}
}