var alphaExp = /^[a-zA-Z]+$/; /* To accept alphabet only */
	var numericExpression = /^[0-9]+$/; /* To accept numbers only */
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/; /* To validate e-mail address */

   
 function validate_contact()
  {
	  	 if(document.contact.fname.value == 'Name*') {
		  alert('Please enter the First Name!');
		  document.contact.fname.focus();
		return false;
    }
	
	 else if(document.contact.email.value == 'E-mail*') {
		  alert('Please enter the E-mail Id!');
		  document.contact.email.focus();
		return false;
    }
	else if(!document.contact.email.value.match(emailExp)){
			alert("Invalid email address. Please enter again");
			document.contact.email.focus();
		return false;
		}
	
	else if(document.contact.phone.value == 'Phone*') {
		  alert('Please enter the Phone No.!');
		  document.contact.phone.focus();
		return false;
    }
	
	else if(document.contact.security_code.value == 'Security Code*') {
		  alert('Please enter the Security Code!');
		  document.contact.security_code.focus();
		return false;
    }
		
	return true;
  }